-
1
-
-
0035198457
-
Are there signs of acidification reversal in freshwaters of the low mountain ranges in Germany?
-
Alewell C., Armbruster M., Bittersohl J., Evans C.D., Meesenburg H., Moritz K., and Prechtel A. Are there signs of acidification reversal in freshwaters of the low mountain ranges in Germany?. Hydrol. Earth Syst. Sci. 5 (2001) 367-378
-
(2001)
Hydrol. Earth Syst. Sci.
, vol.5
, pp. 367-378
-
-
Alewell, C.1
Armbruster, M.2
Bittersohl, J.3
Evans, C.D.4
Meesenburg, H.5
Moritz, K.6
Prechtel, A.7
-
3
-
-
0033749402
-
Organic carbon supply and metabolism in a shallow groundwater ecosystem
-
Baker M.A., Valett H.M., and Dahm C.N. Organic carbon supply and metabolism in a shallow groundwater ecosystem. Ecology 81 (2000) 3133-3148
-
(2000)
Ecology
, vol.81
, pp. 3133-3148
-
-
Baker, M.A.1
Valett, H.M.2
Dahm, C.N.3
-
4
-
-
0038116663
-
Terrestrial ecosystem recovery-modeling the effects of reduced acidic inputs and increased inputs of sea-salts induced by global change
-
Beier C., Moldan F., and Wright R.F. Terrestrial ecosystem recovery-modeling the effects of reduced acidic inputs and increased inputs of sea-salts induced by global change. Ambio 32 (2003) 275-282
-
(2003)
Ambio
, vol.32
, pp. 275-282
-
-
Beier, C.1
Moldan, F.2
Wright, R.F.3
-
5
-
-
0010840677
-
Vertikale stoffkonzentrationsprofile im grundwasser eines lockergesteins-aquifers und deren interpretation (beispiel fuhrberger feld)
-
Böttcher J., Strebel O., and Duijnisveld W.H.M. Vertikale stoffkonzentrationsprofile im grundwasser eines lockergesteins-aquifers und deren interpretation (beispiel fuhrberger feld). Z. dt. geol. Ges. 136 (1985) 543-552
-
(1985)
Z. dt. geol. Ges.
, vol.136
, pp. 543-552
-
-
Böttcher, J.1
Strebel, O.2
Duijnisveld, W.H.M.3
-
6
-
-
1842296323
-
Spatial variability of canopy throughfall and groundwater sulfate concentrations under a pine stand
-
Böttcher J., Lauer S., Strebel O., and Puhlmann M. Spatial variability of canopy throughfall and groundwater sulfate concentrations under a pine stand. J. Environ. Qual. 26 (1997) 503-510
-
(1997)
J. Environ. Qual.
, vol.26
, pp. 503-510
-
-
Böttcher, J.1
Lauer, S.2
Strebel, O.3
Puhlmann, M.4
-
7
-
-
64749101592
-
-
Brend'amour, H.-J., 1986. Untersuchung von Stofflüssen in der wasserungesättigten und - gesättigten Zone in quartären Sedimenten (Segeberger Forst, Schleswig-Holstein). Ber. Geol.-Paläont. Inst. Univ. Kiel, Nr.17.
-
Brend'amour, H.-J., 1986. Untersuchung von Stofflüssen in der wasserungesättigten und - gesättigten Zone in quartären Sedimenten (Segeberger Forst, Schleswig-Holstein). Ber. Geol.-Paläont. Inst. Univ. Kiel, Nr.17.
-
-
-
-
8
-
-
0022554753
-
The use of chromium reduction in the analysis of reduced inorganic sulfur in sediments and shales
-
Canfield D.E., Raiswell R., Westrich J.T., Reaves C.M., and Berner R. The use of chromium reduction in the analysis of reduced inorganic sulfur in sediments and shales. Chem. Geol. 54 (1986) 149-155
-
(1986)
Chem. Geol.
, vol.54
, pp. 149-155
-
-
Canfield, D.E.1
Raiswell, R.2
Westrich, J.T.3
Reaves, C.M.4
Berner, R.5
-
9
-
-
0022919821
-
Near-surface geochemical processes in quaternary sediments
-
Dahmke A., Matthess G., Pekdeger A., Schenk D., and Schulz H.D. Near-surface geochemical processes in quaternary sediments. J. Geol. Soc. 143 (1986) 667-672
-
(1986)
J. Geol. Soc.
, vol.143
, pp. 667-672
-
-
Dahmke, A.1
Matthess, G.2
Pekdeger, A.3
Schenk, D.4
Schulz, H.D.5
-
10
-
-
0028980112
-
Intensifying groundwater acidification at Birkenes, southern Norway
-
de Caritat P. Intensifying groundwater acidification at Birkenes, southern Norway. J. Hydrol. 170 (1995) 47-62
-
(1995)
J. Hydrol.
, vol.170
, pp. 47-62
-
-
de Caritat, P.1
-
11
-
-
0031434753
-
Geochemical response of acid groundwater to neutralization by alkaline recharge
-
Donovan J.J., Frysinger K.W., and Maher T.P. Geochemical response of acid groundwater to neutralization by alkaline recharge. Aquat. Geochem. 2 (1997) 227-253
-
(1997)
Aquat. Geochem.
, vol.2
, pp. 227-253
-
-
Donovan, J.J.1
Frysinger, K.W.2
Maher, T.P.3
-
13
-
-
64749088119
-
-
Duijnisveld, W.H.M., Strebel, O., Böttcher, J., 1993. Prognose der Grundwasserqualität in einem Wassereinzugsgebiet mit Stofftransportmodellen. Texte Umweltbundesamt 5/93.
-
Duijnisveld, W.H.M., Strebel, O., Böttcher, J., 1993. Prognose der Grundwasserqualität in einem Wassereinzugsgebiet mit Stofftransportmodellen. Texte Umweltbundesamt 5/93.
-
-
-
-
14
-
-
0022470088
-
The susceptibility of UK groundwaters to acidic deposition
-
Edmunds W.M., and Kinniburgh D.G. The susceptibility of UK groundwaters to acidic deposition. J. Geol. Soc. 143 (1986) 707-720
-
(1986)
J. Geol. Soc.
, vol.143
, pp. 707-720
-
-
Edmunds, W.M.1
Kinniburgh, D.G.2
-
15
-
-
0026616682
-
Trace metals in interstitial waters from sandstones: acidic inputs to shallow groundwaters
-
Edmunds W.M., Kinniburgh D.G., and Moss P.D. Trace metals in interstitial waters from sandstones: acidic inputs to shallow groundwaters. Environ. Pollut. 77 (1992) 129-141
-
(1992)
Environ. Pollut.
, vol.77
, pp. 129-141
-
-
Edmunds, W.M.1
Kinniburgh, D.G.2
Moss, P.D.3
-
16
-
-
6644222531
-
Recovery from acidification in European surface waters
-
Evans C.D., Cullen J.M., Alewell C., Kopácek J., Marchetto A., Moldan F., Prechtel A., Rogora M., Veselý J., and Wright R. Recovery from acidification in European surface waters. Hydrol. Earth Syst. Sci. 5 (2001) 283-297
-
(2001)
Hydrol. Earth Syst. Sci.
, vol.5
, pp. 283-297
-
-
Evans, C.D.1
Cullen, J.M.2
Alewell, C.3
Kopácek, J.4
Marchetto, A.5
Moldan, F.6
Prechtel, A.7
Rogora, M.8
Veselý, J.9
Wright, R.10
-
18
-
-
34250644297
-
Groundwater chemistry of Al under Dutch sandy soils: effects of land use and depth
-
Fest E.P.M.J., Temminghoff E.J.M., Griffioen J., Van Der Grift B., and Van Riemsdijk W.H. Groundwater chemistry of Al under Dutch sandy soils: effects of land use and depth. Appl. Geochem. 22 (2007) 1427-1438
-
(2007)
Appl. Geochem.
, vol.22
, pp. 1427-1438
-
-
Fest, E.P.M.J.1
Temminghoff, E.J.M.2
Griffioen, J.3
Van Der Grift, B.4
Van Riemsdijk, W.H.5
-
19
-
-
64749108151
-
-
Franken, G., 2000. Neutralisation saurer Einträge in einem Aquifer aus basenarmen Sanden - Feldstudie und Modellierung, Geol. Jb. Sonderheft, SC 1, Schweizerbart'sche Verlagsbuchhandlung, Stuttgart.
-
Franken, G., 2000. Neutralisation saurer Einträge in einem Aquifer aus basenarmen Sanden - Feldstudie und Modellierung, Geol. Jb. Sonderheft, SC 1, Schweizerbart'sche Verlagsbuchhandlung, Stuttgart.
-
-
-
-
20
-
-
64749104629
-
-
Franken, G., Puhlmann, M., Duijnisveld, W.H.M., Böttcher, W.H.M., Strebel, O., 1997. Auswirkung saurer atmosphärischer Depositionen bei Nadelwald auf Stoffanlieferung an das Grundwasser und Stoffumsetzungen in einem Aquifer aus basenarmen Sanden. Forschungsbericht 102 02 629, Bundesanstalt für Geowissenschaften und Rohstoffe.
-
Franken, G., Puhlmann, M., Duijnisveld, W.H.M., Böttcher, W.H.M., Strebel, O., 1997. Auswirkung saurer atmosphärischer Depositionen bei Nadelwald auf Stoffanlieferung an das Grundwasser und Stoffumsetzungen in einem Aquifer aus basenarmen Sanden. Forschungsbericht 102 02 629, Bundesanstalt für Geowissenschaften und Rohstoffe.
-
-
-
-
21
-
-
0025573002
-
Modeling of multicomponent transport with microbial transformation in groundwater: the Fuhrberg case
-
Frind E.O., Duijnisveld W.H.M., Strebel O., and Böttcher J. Modeling of multicomponent transport with microbial transformation in groundwater: the Fuhrberg case. Water Resour. Res. 26 (1990) 1707-1719
-
(1990)
Water Resour. Res.
, vol.26
, pp. 1707-1719
-
-
Frind, E.O.1
Duijnisveld, W.H.M.2
Strebel, O.3
Böttcher, J.4
-
22
-
-
0035665948
-
Factors controlling total concentration and aqueous speciation of aluminium in an acidic headwater stream of the Bavarian Forest National Park: a modelling approach
-
Haag I., Moritz K., Bittersohl J., and Lischeid G. Factors controlling total concentration and aqueous speciation of aluminium in an acidic headwater stream of the Bavarian Forest National Park: a modelling approach. Acta Hydrochim. Hydrobiol. 29 (2001) 206-218
-
(2001)
Acta Hydrochim. Hydrobiol.
, vol.29
, pp. 206-218
-
-
Haag, I.1
Moritz, K.2
Bittersohl, J.3
Lischeid, G.4
-
23
-
-
0029528368
-
Acidification, buffering, salt effects in the unsaturated zone of a sandy aquifer, Klosterhede, Denmark
-
Hansen B.K., and Postma D. Acidification, buffering, salt effects in the unsaturated zone of a sandy aquifer, Klosterhede, Denmark. Water Resour. Res. 31 (1995) 2795-2809
-
(1995)
Water Resour. Res.
, vol.31
, pp. 2795-2809
-
-
Hansen, B.K.1
Postma, D.2
-
24
-
-
0028317444
-
Steep declines in atmospheric base cations in regions of Europe and North America
-
Hedin L.O., Granat L., Likens G.E., Buishand T.A., Galloway J.N., Butler T.J., and Rodhe H. Steep declines in atmospheric base cations in regions of Europe and North America. Nature 367 (1994) 351-354
-
(1994)
Nature
, vol.367
, pp. 351-354
-
-
Hedin, L.O.1
Granat, L.2
Likens, G.E.3
Buishand, T.A.4
Galloway, J.N.5
Butler, T.J.6
Rodhe, H.7
-
25
-
-
0012815698
-
Groundwater acidification in Triassic sandstones: prediction with MAGIC modeling
-
Hinderer M., and Einsele G. Groundwater acidification in Triassic sandstones: prediction with MAGIC modeling. Geol. Rundsch. 86 (1997) 372-388
-
(1997)
Geol. Rundsch.
, vol.86
, pp. 372-388
-
-
Hinderer, M.1
Einsele, G.2
-
26
-
-
84874996771
-
In situ rates of sulfate reduction in an aquifer (Rømø, Denmark) and implications for the reactivity of organic matter
-
Jakobsen R., and Postma D. In situ rates of sulfate reduction in an aquifer (Rømø, Denmark) and implications for the reactivity of organic matter. Geology 22 (1994) 1103-1106
-
(1994)
Geology
, vol.22
, pp. 1103-1106
-
-
Jakobsen, R.1
Postma, D.2
-
27
-
-
0032808968
-
Redox zoning, rates of sulfate reduction and interactions with Fe-reduction and methanogenesis in a shallow sandy aquifer, Rømø, Denmark
-
Jakobsen R., and Postma D. Redox zoning, rates of sulfate reduction and interactions with Fe-reduction and methanogenesis in a shallow sandy aquifer, Rømø, Denmark. Geochim. Cosmochim. Acta 63 (1999) 137-151
-
(1999)
Geochim. Cosmochim. Acta
, vol.63
, pp. 137-151
-
-
Jakobsen, R.1
Postma, D.2
-
28
-
-
2442693996
-
Groundwater acidification and the mobilization of trace metals in a sandy aquifer
-
Kjøller C., Postma D., and Larsen F. Groundwater acidification and the mobilization of trace metals in a sandy aquifer. Environ. Sci. Technol. 38 (2004) 2829-2835
-
(2004)
Environ. Sci. Technol.
, vol.38
, pp. 2829-2835
-
-
Kjøller, C.1
Postma, D.2
Larsen, F.3
-
29
-
-
0004577088
-
Reduced sulphur compounds in sandy aquifers and their interactions with groundwater
-
IAHS Publ. 173, pp
-
Kölle, W., Strebel, O., Böttcher, J., 1990. Reduced sulphur compounds in sandy aquifers and their interactions with groundwater. In: Groundwater Monitoring and Management. IAHS Publ. 173, pp. 23-30.
-
(1990)
Groundwater Monitoring and Management
, pp. 23-30
-
-
Kölle, W.1
Strebel, O.2
Böttcher, J.3
-
30
-
-
0035198168
-
Sulphur and nitrogen fluxes and budgets in the Bohemian Forest and Tatra Mountains during the industrial revolution (1850-2000)
-
Kopácek J., Veselý J., and Stuchlík E. Sulphur and nitrogen fluxes and budgets in the Bohemian Forest and Tatra Mountains during the industrial revolution (1850-2000). Hydrol. Earth Syst. Sci. 5 (2001) 391-405
-
(2001)
Hydrol. Earth Syst. Sci.
, vol.5
, pp. 391-405
-
-
Kopácek, J.1
Veselý, J.2
Stuchlík, E.3
-
31
-
-
0003570725
-
Vorkommen, Abfolge und Auswirkungen anoxischer Redoxreaktionen in einem pleistozänen
-
Leuchs, W., 1988. Vorkommen, Abfolge und Auswirkungen anoxischer Redoxreaktionen in einem pleistozänen Porengrundwasserleiter. Bes. Mitt. Dt. Gewässerkundl. Jahrb., 52.
-
(1988)
Porengrundwasserleiter. Bes. Mitt. Dt. Gewässerkundl. Jahrb
, vol.52
-
-
Leuchs, W.1
-
33
-
-
0029633585
-
Long term trends in atmospheric deposition and seepage output in northwest German ecosystems
-
Meesenburg H., Meiwes K.J., and Rademacher P. Long term trends in atmospheric deposition and seepage output in northwest German ecosystems. Water Air Soil Pollut. 85 (1995) 611-616
-
(1995)
Water Air Soil Pollut.
, vol.85
, pp. 611-616
-
-
Meesenburg, H.1
Meiwes, K.J.2
Rademacher, P.3
-
34
-
-
26944503697
-
Feldspar weathering as the key to understanding soil acidification monitoring data; a study of acid sandy soils in the Netherlands
-
Mol G., Vriend S.P., and van Gaans P.F.M. Feldspar weathering as the key to understanding soil acidification monitoring data; a study of acid sandy soils in the Netherlands. Chem. Geol. 202 (2003) 417-441
-
(2003)
Chem. Geol.
, vol.202
, pp. 417-441
-
-
Mol, G.1
Vriend, S.P.2
van Gaans, P.F.M.3
-
35
-
-
64749097495
-
-
University of Waterloo, Waterloo, Ontario, Canada
-
Molson, J.W., Frind, E.O., 2005. FLONET/TRANS - two-dimensional groundwater flow and advective-dispersive transport model. University of Waterloo, Waterloo, Ontario, Canada.
-
(2005)
FLONET/TRANS - two-dimensional groundwater flow and advective-dispersive transport model
-
-
Molson, J.W.1
Frind, E.O.2
-
37
-
-
0024163562
-
Aluminium solubility relationships in acid waters - a practical example of the need for a radical reappraisal
-
Neal C. Aluminium solubility relationships in acid waters - a practical example of the need for a radical reappraisal. J. Hydrol. 104 (1988) 141-159
-
(1988)
J. Hydrol.
, vol.104
, pp. 141-159
-
-
Neal, C.1
-
38
-
-
0035091244
-
Dissolved organic carbon in terrestrial ecosystems: synthesis and model
-
Neff J.C., and Asner G.P. Dissolved organic carbon in terrestrial ecosystems: synthesis and model. Ecosystems 4 (2001) 29-48
-
(2001)
Ecosystems
, vol.4
, pp. 29-48
-
-
Neff, J.C.1
Asner, G.P.2
-
40
-
-
0022557793
-
The geochemical behavior of aluminum in acidified surface water
-
Nordstrom D.K., and Ball J.W. The geochemical behavior of aluminum in acidified surface water. Science 232 (1986) 54-56
-
(1986)
Science
, vol.232
, pp. 54-56
-
-
Nordstrom, D.K.1
Ball, J.W.2
-
41
-
-
64749101252
-
-
Parkhurst, D.L., Appelo, C.A.J., 1999. User's guide to PHREEQC (Version 2) - a computer program for speciation, reaction-path, 1D-transport, and inverse geochemical calculations. US Geol. Surv. Water Resour. Invest. Rep. 99-4259.
-
Parkhurst, D.L., Appelo, C.A.J., 1999. User's guide to PHREEQC (Version 2) - a computer program for speciation, reaction-path, 1D-transport, and inverse geochemical calculations. US Geol. Surv. Water Resour. Invest. Rep. 99-4259.
-
-
-
-
43
-
-
35549009659
-
Arsenic in groundwater of the Red River floodplain, Vietnam: controlling geochemical processes and reactive transport modeling
-
Postma D., Larsen F., Nguyen T.M.H., Mai T.D., Pham H.V., Pham Q.N., and Jessen S. Arsenic in groundwater of the Red River floodplain, Vietnam: controlling geochemical processes and reactive transport modeling. Geochim. Cosmochim. Acta 71 (2007) 5054-5071
-
(2007)
Geochim. Cosmochim. Acta
, vol.71
, pp. 5054-5071
-
-
Postma, D.1
Larsen, F.2
Nguyen, T.M.H.3
Mai, T.D.4
Pham, H.V.5
Pham, Q.N.6
Jessen, S.7
-
44
-
-
6644226256
-
Response of sulphur dynamics in European catchments to decreasing sulphate deposition
-
Prechtel A., Alewell C., Armbruster M., Bittersohl J., Cullen J.M., Evans C.D., Helliwell R., Kopácek J., Marchetto A., Matzner E., Meesenburg H., Moldan F., Moritz K., Veselý J., and Wright R.F. Response of sulphur dynamics in European catchments to decreasing sulphate deposition. Hydrol. Earth Syst. Sci. 5 (2001) 311-325
-
(2001)
Hydrol. Earth Syst. Sci.
, vol.5
, pp. 311-325
-
-
Prechtel, A.1
Alewell, C.2
Armbruster, M.3
Bittersohl, J.4
Cullen, J.M.5
Evans, C.D.6
Helliwell, R.7
Kopácek, J.8
Marchetto, A.9
Matzner, E.10
Meesenburg, H.11
Moldan, F.12
Moritz, K.13
Veselý, J.14
Wright, R.F.15
-
45
-
-
0002660732
-
-
Springer, Berlin
-
Reuss J.O., and Johnson D.W. Acid Deposition and the Acidification of Soils and Waters. Ecological Studies vol. 59 (1986), Springer, Berlin
-
(1986)
Ecological Studies
, vol.59
-
-
Reuss, J.O.1
Johnson, D.W.2
-
47
-
-
0037401038
-
Dissolved organic matter induced denitrification in subsoils and aquifers
-
Siemens J., Haas M., and Kaupenjohann M. Dissolved organic matter induced denitrification in subsoils and aquifers. Geoderma 113 (2003) 253-271
-
(2003)
Geoderma
, vol.113
, pp. 253-271
-
-
Siemens, J.1
Haas, M.2
Kaupenjohann, M.3
-
48
-
-
20444381327
-
Regional scale evidence for improvements in surface water chemistry 1990-2001
-
Skjelkvåle B.L., Stoddard J., Jeffries D., Tørseth K., Høgåsen T., Bowman J., Mannio J., Monteith D.T., Mosello R., Rogora M., Rzychon D., Vesely J., Wieting J., Wilander A., and Worsztynowicz A. Regional scale evidence for improvements in surface water chemistry 1990-2001. Environ. Pollut. 137 (2005) 165-176
-
(2005)
Environ. Pollut.
, vol.137
, pp. 165-176
-
-
Skjelkvåle, B.L.1
Stoddard, J.2
Jeffries, D.3
Tørseth, K.4
Høgåsen, T.5
Bowman, J.6
Mannio, J.7
Monteith, D.T.8
Mosello, R.9
Rogora, M.10
Rzychon, D.11
Vesely, J.12
Wieting, J.13
Wilander, A.14
Worsztynowicz, A.15
-
49
-
-
0027692042
-
Denitrification and organic carbon availability in two aquifers
-
Starr R.C., and Gillham R.W. Denitrification and organic carbon availability in two aquifers. Ground Water 31 (1993) 935-947
-
(1993)
Ground Water
, vol.31
, pp. 935-947
-
-
Starr, R.C.1
Gillham, R.W.2
-
50
-
-
0033533820
-
Regional trends in aquatic recovery from acidification in North America and Europe
-
Stoddard J.L., Jeffries D.S., Lükewille A., Clair T.A., Dillon P.J., Driscoll C.T., Forsius M., Johannessen M., Kahl J.S., Kellogg J.H., Kemp A., Mannio J., Monteith D., Murdoch P.S., Patrick S., Rebsdorf A., Skjelkvåle B.L., Stainton M., Traaen T., van Dam H., Webster K.E., Wieting J., and Wilander A. Regional trends in aquatic recovery from acidification in North America and Europe. Nature 401 (1999) 575-578
-
(1999)
Nature
, vol.401
, pp. 575-578
-
-
Stoddard, J.L.1
Jeffries, D.S.2
Lükewille, A.3
Clair, T.A.4
Dillon, P.J.5
Driscoll, C.T.6
Forsius, M.7
Johannessen, M.8
Kahl, J.S.9
Kellogg, J.H.10
Kemp, A.11
Mannio, J.12
Monteith, D.13
Murdoch, P.S.14
Patrick, S.15
Rebsdorf, A.16
Skjelkvåle, B.L.17
Stainton, M.18
Traaen, T.19
van Dam, H.20
Webster, K.E.21
Wieting, J.22
Wilander, A.23
more..
-
53
-
-
0345450125
-
Natürliche und anthropogene Komponenten der Bodenversauerung
-
Ulrich B. Natürliche und anthropogene Komponenten der Bodenversauerung. Mitteilgn. Dtsch. Bodenkundl. Gesellsch. 43 (1985) 159-187
-
(1985)
Mitteilgn. Dtsch. Bodenkundl. Gesellsch.
, vol.43
, pp. 159-187
-
-
Ulrich, B.1
-
54
-
-
0001319225
-
Dissolved aluminum in acid sulfate soils and mine waters
-
van Breemen N. Dissolved aluminum in acid sulfate soils and mine waters. Soil Sci. Soc. Am. Proc. 37 (1973) 694-697
-
(1973)
Soil Sci. Soc. Am. Proc.
, vol.37
, pp. 694-697
-
-
van Breemen, N.1
-
55
-
-
64749116624
-
Modeling the distribution of aluminum speciation in soil water equilibria with the mineral phase jurbanite
-
Wang C.Y., Bi S.P., Tang W., Gan N., Xu R., and Wen L.X. Modeling the distribution of aluminum speciation in soil water equilibria with the mineral phase jurbanite. ACS Symp. Ser. 872 (2004) 100-111
-
(2004)
ACS Symp. Ser.
, vol.872
, pp. 100-111
-
-
Wang, C.Y.1
Bi, S.P.2
Tang, W.3
Gan, N.4
Xu, R.5
Wen, L.X.6
|