Highly sr radiogenic tholeiitic magmas in the latest inter-plinian activity of santorini volcano, greece

Journal of Geophysical Research: Solid Earth

Volumn 114, Issue 6, 2009, Pages

  Vaggelli, G ^a,b   Pellegrini, M ^c,d,e   Vougioukalakis, G ^f   Innocenti, S ^g   Francalanci, L ^b,c  

^a SEZIONE DI FIRENZE   (Italy)

^b UNIVERSITY OF PARMA   (Italy)

^c UNIVERSITY OF FLORENCE   (Italy)

^d PENNSYLVANIA STATE UNIVERSITY   (United States)

^e UNIVERSITY OF BRADFORD   (United Kingdom)

^f CNR   (Italy)

^g INSTITUTE OF GEOLOGY AND MINERAL EXPLORATION   (Greece)

Author keywords

[No Author keywords available]

Indexed keywords

ABUNDANCE; ANDESITE; CHLORINE; CLINOPYROXENE; CUMULUS; FLUORINE; GEOCHEMICAL METHOD; INTERTIDAL ENVIRONMENT; MAGMA; MANTLE STRUCTURE; MELT INCLUSION; METASOMATIC ROCK; MID-OCEAN RIDGE BASALT; MINERALOGY; OLIVINE; OXYGEN; PARTIAL MELTING; PLAGIOCLASE; PLINIAN ERUPTION; POTASSIUM; PYROCLASTIC DEPOSIT; PYROXENE; RADIOGRAPHY; RARE EARTH ELEMENT; SULFUR; THOLEIITE; VOLATILE SUBSTANCE; VOLCANIC ERUPTION;

CYCLADAS; EURASIA; EUROPE; GREECE; SANTORIN; SOUTHERN AEGEAN; SOUTHERN EUROPE;

PLINIA;

EID: 70349431279     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2008JB005936     Document Type: Article

References (88)

1. Anderson, A. T. (1974), Chlorine, sulphur and water in magmas and oceans, Geol. Soc. Am. Bull., 85, 1485-1492, doi:10.1130/0016-7606(1974)85<1485: CSAWIM>2.0.CO;2.
2. Avanzinelli, R., E. Boari, S. Conticelli, L. Francalanci, L. Gualtieri, G. Perini, C. M. Petrone, S. Tommasini, and M. Ulivi (2005), High precision Sr, Nd, and Pb isotopic analyses using new generation Thermal Ionisation Mass Spectrometer ThermoFinnigan Triton-Ti®, Period. Mineral., 74(3), 147-166.
3. Barton, M., V. J. M. Salters, and J. P. P. Huijsmans (1983), Sr-isotope and trace element evidence for the role of continental crust in calc-alkaline volcanism on Santorini and Milos, Aegean Sea, Greece, Earth Planet. Sci Lett., 63, 273-291, doi:10.1016/0012-821X(83)90042-0.
4. Best, M. G. (2003), Igneous and Metamorphic Petrology, 752 pp., WileyBlackwell, Malden, Mass.
5. Blundy,J.,andK.Cashman(2001), AscentdrivencrystallisationofdacitemagmasatMountStHelens,1980-1986,Contrib. Mineral.Petrol.,140,631-650,doi:10.1007/s004100000219.(Pubitemid32325165)
6. Brophy, J. G., C. S. Whittington, and Y. R. Park (1999), Sector-zoned augite megacrysts in Aleutian high alumina basalts: Implications for the conditions of basalt crystallization and the generation of calc-alkaline series magmas, Contrib. Mineral. Petrol., 135, 277-290, doi:10.1007/s004100050512.
7. Carroll, M. R., and J. D. Webster (1994), Solubilities of sulphur, noble gases, nitrogen, chlorine, and fluorine in magmas, in Volatiles in Magmas, Rev. Mineral., vol.30, edited by M. R. Carroll and J. R. Holloway, pp. 231-279, Mineral. Soc. of Am., Chantilly, Va.
8. Clift, P., and J. Blusztajn (1999), The trace-element characteristics of Aegean and Aeolian volcanic arc marine tephra, J. Volcanol. Geotherm. Res., 92, 321-347, doi:10.1016/S0377-0273(99)00059-1. (Pubitemid 30061898)
9. Danyushevsky, L. V., F. N. Della-Pasqua, and S. Sokolov (2000), Reequilibration of melt inclusion trapped by magnesian olivine phenocrysts from subduction-related magmas: Petrological implications, Contrib. Mineral. Petrol., 138, 68-83, doi:10.1007/PL00007664.
10. De Paolo, D. J. (1988), Neodymium Isotope Geochemistry: An Introduction, 187 pp., Springer, Berlin.
11. De Vries, J. L., and R. Jenkins (1971), Spettrometria a raggi X in pratica, 193 pp., Biblioteca Tec. Philips, Milan, Italy.
12. Druitt, T. H., and V. Francaviglia (1992), Caldera formation on Santorini and the physiography of the islands in the late Bronze Age, Bull. Volcanol., 54, 484-493, doi:10.1007/BF00301394.
13. Druitt, T. H., R. A. Mellors, D. M. Pyle, and R. S. J. Sparks (1989), Explosive volcanism on Santorini, Greece, Geol. Mag., 126, 95-126.
14. Druitt, T. H., L. Edwards, R. M. Mellons, D. M. Pyle, R. S. J. Sparks, M. Lanphere, M. Davies, and B. Barreirio (1999), Santorini Volcano, Mem. Geol. Soc, vol.19, 165 pp., Geol. Soc, London.
15. Eiler, J. M., A. Crawford, T. Elliot, K. A. Farley, J. W. Valley, and E. M. Stolper (2000), Oxygen isotope geochemistry of oceanic-Arc lavas, J. Petrol., 41, 229-256, doi:10.1093/petrology/41.2.229.
16. Eggins, S. M. (2003), Laser ablation ICP-MS analysis of geological materials prepared as lithium borate glasses, Geostand. Newsl., 27, 147-162, doi:10.1111/j.1751-908X.2003.tb00642.x.
17. Eggins, S. M., L. P. J. Kinsley, and J. M. G. Shelley (1998), Deposition and element fractionation processes during atmospheric pressure laser sampling for analysis by ICP-MS, Appl. Surf. Sci., 127-129, 278-286, doi:10.1016/S0169- 4332(97)00643-0.
18. Ewart, A. (1982), The mineralogy of Tertiary-Recent orogenic volcanic rocks: With special reference to the andesitic basaltic compositional range, in Andesites, edited by R. S. Thorpe, pp. 25-95, John Wiley, New York.
19. Ferrara, G., M. Fitikas, O. Giuliani, and G. Marinelli (1980), Age of formation of the Aegean active volcanic arc, in Thera and the Aegean World II, edited by C. Doumas, pp. 34-41, Tsiveriotis, Athens.
20. Fine, G., and E. Stolper (1986), Dissolved carbon dioxide in basaltic glasses: Concentrations and speciation, Earth Planet. Sci. Lett., 76, 263-278, doi:10.1016/0012-821X(86)90078-6.
21. Folch, A., and J. Marti (1998), The generation of overpressure in felsic magma chambers by replenishment, Earth Planet. Sci Lett., 163, 301-314, doi:10.1016/S0012-821X(98)00196-4. (Pubitemid 29094465)
22. Francalanci, L., G. E. Vougioukalakis, G. Perini, and P. Manetti (2005a), A West-East traverse along the magmatism of the South Aegean volcanic arc in the light of volcanological, chemical and isotope data, in The South Aegean Active Volcanic Arc, Present Knowledge and Future Perspectives, Dev. Volcanol., vol.7, edited by M. Fitykas and G. E. Vougioukalakis, pp. 65-111, Elsevier, Amsterdam.
23. Francalanci, L., G. G. Davies, W. Lustenmhower, S. Tommasini, P. R. D. Mason, and S. Conticelli (2005b), Old crystal re-cycle and multiple magma reservoirs in the plumbing system of the present day activity at Stromboli volcano, south Italy: Sr-isotope in situ microanalyses, J. Petrol., 46, 1997-2021, doi:10.1093/petrology/egi045.
24. Francalanci, L., G. E. Vougioukalakis, G. Eleftheriadis, L. Pinarelli, C. M. Petrone, P. Manetti, and G. Christofides (1998), Petrographic, chemical and isotope variations in the intracaldera post-Minoan rocks of the Santorini volcanic field, Greece, in Proceeding of the 2nd Workshop on The European laboratory Volcano, edited by R. Cásale et al., pp. 176-186, Eur. Comm., Luxembourg.
25. Francalanci, L., G. E. Vougioukalakis, and M. Fytikas (2007), Petrology and volcanology of Kimolos and Polyegos volcanoes within the context of the South Aegean arc, Greece, in Cenozoic Volcanism in the Mediterranean Area, edited by L. Beccaluva, G. Bianchini, and M. Wilson, Spec. Pap. Geol. Soc. Am., 418, 33-63, doi:10.1130/2007.2418(03).
26. Franzini, M., L. Leoni, and M. Saitta (1972), A simple method to evacuate the matrix effect in X-ray fluorescence analysis, X Ray Spectrom., 1, 151-154, doi:10.1002/xrs.1300010406.
27. Frezzotti, M. L. (2001), Silicate-melt inclusions in magmatic rocks: Applications to petrology, Lithos, 55, 273-299, doi:10.1016/S0024-4937(00)00048- 7.
28. Friedrich, W. L., B. Kromer, M. Friedrich, J. Heinemeier, T. Pfeiffer, and S. Tálamo (2006), Santorini eruption radiocarbon dated to 1627-1600 B.C, Science, 312, 548, doi:10.1126/science.1125087.
29. Gao, S., L. Xiaomin, H. Yuan, B. Haftendorf, D. Günther, L. Chen, and S. Hu (2002), Determination of forty two major and trace elements in USGS and NIST SRM glasses by laser ablation-inductively coupled plasma-mass spectrometry, Geostand. Newsl., 26, 181-196, doi: 10.1111/j.1751-908X.2002. tb00886.x.
30. Govindaraju, K. (1994), 1994 compilation of working values and sample description for 383 geostandards, Geostand. Newsl., 18, 1-158.
31. Hawkesworth, C. J., S. P. Turner, D. W. Peate, F. McDermott, and P. van Carlsteren (1997), Elemental U and Th variations in Island Arc rocks: Implications for U-series isotopes, Chem. Geol., 139, 207-222, doi:10.1016/S0009-2541(97)00036-3.
32. Heiken,G.,andF.McCoyJr.(1984),CalderadevelopmentduringtheMinoaneruption, Thira,Cyclades,Greece,J.Geophys.Res.,89,8441-8462.(Pubitemid14646117)
33. Huijsmans, J. P. P., M. D. Barton, and V. J. M. Salters (1988), Geochemistry and evolution of the calc-alkaline volcanic complex of Santorini, Aegean Sea, J. Volcanol. Geotherm. Res., 34, 283-306, doi:10.1016/0377-0273(88) 90039-X.
34. James, D. E. (1981), The combined use of oxygen and radiogenic isotopes as indications of crustal contamination, Annu. Rev. Earth Planet. Sci., 9, 311-344, doi:10.1146/annurev.ea.09.050181.001523.
35. James, D. E. (1982), A combined O, Sr, Nd and Pb isotopic and trace element study of crustal contamination in central Andean lavas, Earth Planet. Sci. Lett., 57, 47-62, doi:10.1016/0012-821X(82)90172-8.
36. Johnson, M. C., and T. Plank (1999), Dehydration and melting experiments constrain the fate of subducted sediments, Geochem. Geophys. Geosyst, 1(12), 1007, doi:10.1029/1999GC000014.
37. Jurewicz, A. J. C., and E. B. Watson (1988), Cations in olivine, part 1: Calcium partitioning and calcium-magnesium distribution between olivines and coexisting melts, with petrologic applications, Contrib. Mineral Petrol., 99, 176-185, doi:10.1007/BF00371459.
38. 3 and the effect of composition, temperature, oxygen fugacity, and pressure on their redox states, Contrib. Mineral. Petrol., 108, 82-92, doi:10.1007/BF00307328.
39. Kyser, T. K., J. R. O'Neil, and I. S. E. Carmichael (1981), Oxygen isotope thermometry of basic lavas in mantle nodules, Contrib. Mineral. Petrol., 77, 11-23, doi:10.1007/BF01161498.
40. Longerich, H. P., S. E. Jackson, and D. Günther (1996), Laser ablationindictively coupled plasma mass spectrometric transient signal data acquisition and analyze concentration calculation, J. Anal. At. Spectrom., 11, 899-904, doi:10.1039/ja9961100899.
41. Macpherson,C.G.,andD.P.Mattey(1998), OxygenisotopevariationinLauBasinlavas,Chem.Geol.,144,177-194,doi:10.1016/ S0009-2541(97)00130-7.(Pubitemid28329938)
42. Manning, S. W. (1999), A Test of Time: The Volcano of Thera and the Chronology and History of the Aegean and East Mediterranean in the Mid Second Millennium B.C, 494 pp., Oxbow, Oxford, U. K.
43. Martin, V. M., M. B. Holness, and D. M. Pyle (2006), Textural analysis of mafic enclaves from Kameni Islands, Santorini, Greece, J. Volcanol. Geotherm. Res., 154, 89-102, doi:10.1016/j.jvolgeores.2005.09.021.
44. Martin, V. M., D. J. Morgan, D. A. Jerram, M. J. Caddick, D. J. Prior, and J. P. Davidson (2008), Bangl. Month-scale eruption triggering at Santorini volcano, Science, 321, 1178, doi:10.1126/science.H59584.
45. Mattey, D., D. Lowry, and C. Macpherson (1994), Oxygen isotope composition of mantle peridotite, Earth Planet. Sci. Lett., 128, 231-241, doi:10.1016/0012-821X(94)90147-3.
46. McDonough, W. F., and S. Sun (1995), The composition of the Earth, Chem. Geol., 120, 223-253, doi:10.1016/0009-2541(94)00140-4.
47. Metrich, N. (1985), Mécanismes d'évolution à l'origine des roches potassiques d'Italie centrale et méridionale. Exemples du Mt. Somma Vesuve, des Champs Phlégréens et de l'ìle de Ventotène, Ph.D. thesis, 130 pp., Orsay Univ., Orsay, France.
48. Metrich, N., and R. Clocchiatti (1989), Melt inclusion investigation of the volatile behaviour in historic basaltic magmas of Etna, Bull. Volcanol., 51, 185-198, doi:10.1007/BF01067955.
49. Michaud, V., R. Clocchiartia, and S. Sbrana (2000), The Minoan and Post-Minoan eruptions, Santorini (Greece) in the light of melt inclusions: Chlorine and sulphur behaviour, J. Volcanol. Geotherm. Res., 99, 195-214, doi:10.1016/S0377-0273(00)00173-6. (Pubitemid 30467363)
50. Mitropoulos, P., J. Tarney, A. D. Saunders, and N. G. Marsh (1987), Petrogenesis of Cenozoic volcanic rocks from the Aegean island arc, J. Volcanol.. Geotherm. Res., 32, 177-193, doi:10.1016/0377-0273(87)90043-6.
51. Moore, G., and I. S. E. Carmichael (1998), The hidrous phase equilibria (to 3 kbar) of an andesite and a basaltic andésite from western Mexico: Constraints on water content and condition of phenocryst growth, Contrib. Mineral Petrol., 130, 304-319, doi:10.1007/s004100050367. (Pubitemid 29085703)
52. Morimoto, N. (1988), Nomenclature of pyroxenes, Mineral. Petrol., 39, 55-76, doi:10.1007/BF01226262.
53. Nicholls, I. A. (1971), Petrology of Santorini volcano, Cyclades, Greece, J. Petrol., 12, 67-119.
54. Ninkovich, D., and J. D. Hays (1972), Mediterranean island arcs and origin of high potash volcanoes, Earth Planet. Sci. Lett., 16, 331-345, doi:10.1016/0012-821X(72)90151-3.
55. Norman, M. D., W. L. Griffin, N. J. Pearson, M. O. Garcia, and S. Y. O'Reilly (1998), Quantitative analysis of trace elements abundances in glasses and minerals: A comparison of laser ablation inductively coupled plasma mass spectrometry, solution inductively coupled plasma mass spectrometry, proton microprobe and electron microprobe data, J. Anal At. Spectrom., 13, 477-482, doi:10.1039/a707972i.
56. Papazachos, B. C., and P. E. Comninakis (1980), Geotectonic significance of the deep seismic zones in the Aegean area, in Thera and the Aegean World II, edited by C. Doumas, pp. 121-129, Tsiveriotis, Athens.
57. Papazachos, B: C., S. T. Dimitriadis, D. G. Panagiotopoulos, C. B. Papazachos, and E. E. Papadimitriou (2005), Deep structure and active tectonics of the Southern Aegean Volcanic Arc, in The South Aegean Active Volcanic Arc, Present Knowledge and Future Perspectives, Dev. Voļcanol, vol.7, edited by M. Fitykas and G. E. Vougioukalakis, pp. 47-64, Elsevier, Amsterdam.
58. Pearce, N. J. G., W. T. Perkins, J. A. Westgate, M. P. Gorton, S. E. Jackson, C. R. Neal, and S. P. Chenery (1997), A compilation of new and • published major and trace element data for NIST SRM 610 and NIST SRM 612 glass reference materials, Geostand. Newsl., 2/(1), 115-144, doi:10.1111/j.1751-908X. 1997.tb00538.x.
59. Peccerillo, A., and S. R. Taylor (1976), Geochemistry of Eocene calcalkaline volcanic rocks from the Kastamonu area, northern Turkey, Contrib. Mineral. Petrol., 58, 63-81, doi:10.1007/BF00384745.
60. Pellegrini, M. (2000), Il mescolamento fra magmi nelle lave e piroclastiti del vulcano Santorini (Grecia), Graduation thesis, Univ. of Florence, Florence, Italy.
61. Pe-Piper, G. G., and D. J. W. Piper (2005), The South Aegean active volcanic arc: Relationships between magmatism and tectonics, in The South Aegean Active Volcanic Arc, Present Knowledge and Future Perspectives, Dev. Volcanol., vol.7, edited by M. Fitykas and G. E. Vougioukalakis, pp. 113-133, Elsevier, Amsterdam.
62. Perrelli, M., L. Caricchi, and P. Ulmer (2007), Application of high spatial resolution laser ablation ICP-MS to crystal-melt trace element partition coefficient determination, Geostand. Geoanal Res., 37(1), 13-25, doi:10.1111/j.1751-908X.2007.00825.x.
63. Pineau, F., and M. Javoy (1983), Carbon isotopes and concentrations in mid-oceanic ridge basalts, Earth Planet. Sci. Lett., 62, 239-257, doi:10.1016/0012-821X(83)90087-0.
64. Plank, T., and C. H. Langmuir (1998), The chemical composition of subducting sediment and its consequences for the crust and mantle, Chem. Geol., 145, 325-394, doi:10.1016/S0009-2541(97)00150-2. (Pubitemid 28426468)
65. Roeder, P. M. (1974), Activity of iron and olivine solubility in basaltic liquids, Earth Planet. Sci. Lett., 23, 397-410, doi:10.1016/0012-821X(74)90129- 0.
66. Roeder, P. M., and R. F. Emslie (1970), Olivine-liquid equilibrium, Contrib. Mineral. Petrol., 29, 275-289, doi:10.1007/BF00371276.
67. Rollinson, H. (1993), Using Geochemical Data: Evaluation, Presentation, Interpretation, 352 pp., Longman Group, Singapore.
68. Seidenkrantz, M., and W. L. Friedrich (1993), Santorini, part of the Hellenic arc: Age of the earliest volcanism documented by foraminifera, Bull. Geol. Soc. Greece, 28(3), 99-115.
69. Shimizu, A., H. Sumino, K. Nagao, K. Notsu, and P. Mitropoulos (2005), Variation of noble gas isotopic composition of gas simples from the Aegean arc, Greece, J. Volcanol. Geotherm. Res., 140, 321-339, doi:10.1016/j.jvolgeores. 2004.08.016. (Pubitemid 40133483)
70. 2O in calc-alkaline differentiation and subduction zone magmatism, Contrib. Mineral. Petrol., 113, 143-166, doi:10.1007/BF00283225.
71. Sun, S. S., and W. F. McDonough (1989), Chemical and isotopic systematics of oceanic basalts: Implications of mantle composition and processes, in Magmatism in the Ocean Basins, edited by A. D. Saunders and M. J. Norry, Geol. Soc. Spec. Publ., 42, 313-346.
72. Tatsumi, Y., D. L. Hamilton, and R. W. Nesbitt (1986), Chemical characteristics of fluid phase released from a subducted lithosphere and origin of arc magmas: Evidence from high-pressure experiments and natural rocks, J. Volcanol. Geotherm. Res., 29, 293-309, doi:10.1016/0377-0273(86)90049-1.
73. 16O ratios in rocks and coexisting minerals of the Skaergaard Intrusion, East Greenland, J. Petrol., 4, 51-74.
74. Taylor, S. R., and S. M. McLennan (1985), The Continental Crust: Its Composition and Evolution, 312 pp., Blackwell Sci., London.
75. Thirlwall, M. F. (1991), Long-term reproducibility of multicollector Sr and Nd ratio analyses, Chem. Geol., 94, 85-104.
76. Tiepolo,M.,P.Bottazzi,M.Palenzona,andR.Vannucci(2003), AlaserprobecoupletwithICP-dòublefocusingsector- fieldmassspectrometerforinsituanalysisofgeologicalsamplesandU-Pbdatingofzircon, Can.Mineral.,41,259-272,doi:10.2113/gscanmin.41.2.259.(Pubitemid36803812)
77. Tommasini, S., A. Heumann, R. Avanzinelli, and L. Francalanci (2007), The fate of high angle dipping slabs in the subduction factory: An integrated trace element and radiogenic isotope (U, Th, Sr, Nd, Pb) study of the Stromboli volcano, Aeolian arc, Italy, J. Petrol., 48, 2407-2430, doi:10.1093/petrology/ egm066. (Pubitemid 350186986)
78. Vaggelli, G., and L. Francalanci (1996), The compositions of post-Minoan parental magmas of Santorini inferred from the study of the silicate-melt inclusions in mafic enclaves of dacitic lavas, in The European Laboratory Volcanoes, Workshop Proceeding, edited by F. Barberi, R. Casale, and M. Fratta, pp. 187-192, Eur. Comm., Eur. Sci. Found., Luxembourg.
79. Vaggelli, G., F. Olmi, and S. Conticelli (1999), Quantitative electron microprobe analyses of reference silicate mineral and glass samples, Acta Vulcanol., 11(2), 297-304.
80. Vespa, L., J. Keller, and R. Gertiser (2006), Interplinian explosive activity of Santorini volcano (Greece) during the past 150000 years, J. Volcanol. Geotherm. Res., 153, 262-286, doi:10.1016/j.jvolgeores.2005.12.009.
81. Vitaliano, C. J., S. R. Taylor, M. D. Norman, M. T. McCulloch, and I. A. Nicholls (1990), Ash layers of the Thera volcanic series, in Thera and Aegean World III, 2, edited by D. A. Hardy, pp. 53-78, Thera Found., London.
82. Vougioukalakis, G., L. Francalanci, A. Sbrana, and D. Mitropoulos (1995), The 1649-1650 Kolumbo submarine volcano activity, Santorini, Greece, in The European Laboratory Volcanoes, Workshop Proceeding, edited by F. Barberi, R. Casale, and M. Fratta, pp. 189-192, Eur. Comm., Eur. Sci. Found., Luxembourg.
83. Wallace, P., and I. S. E. Charmichael (1992), Sulfur in basaltic magmas, Geochim. Cosmochim. Acta, 56(5), 1863-1874, doi:10.1016/0016-7037(92)90316-B.
84. Webster, J. D., F. Raia, C. Tappen, and B. De Vivo (2003), Pre-emptive geochemistry of the ignimbrite-forming magmas of the Campanian Volcanic Zone, southern Italy, determined from silicate melt inclusions, Mineral. Petrol., 79(1-2), 99-125, doi:10.1007/s00710-003-0004-6.
85. 86Sr ratios, Chem. Geol., 186, 139-149, doi:10.1016/S0009-2541(01)00415-6.
86. Workman, R. H., and S. R. Hart (2005), Major and trace element composition of the depleted MORB mantle (DMM), Earth Planet. Sci. Lett., 231, 53-72, doi:10.1016/j.epsl.2004.12.005.
87. Wyers, G. P. (1987), Petrogenesis of calc-alkaline and alkaline magmas from the southern and eastern Aegean Sea, Greece, Ph.D. thesis, Ohio State Univ., Columbus.
88. Zellmer, G., S. Turner, and C. Hawkesworth (2000), Timescales of destructive plate margin magmatism: New insights from Santorini, Aegean volcanic arc, Earth Planet. Sci. Lett., 174, 265-281, doi:10.1016/S0012-821X(99)00266-6. (Pubitemid 30138413)