Reducing greenhouses and the temperature history of Earth and Mars

Nature

Volumn 269, Issue 5625, 1977, Pages 224-226

  Sagan, Carl ^a  

^a Cornell University ^*

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0040378815     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/269224a0     Document Type: Article

References (20)

1. Sagan, C. & Mullen, G. Science 177, 52-56 (1972).
2. Newman, M. J. & Rood, R. T. Nature (in the press).
3. Sagan, C. Origins of Life 5, 497-505 (1974).
4. Knauth, L. T. & Epstein, S. Geochim. cosmochim. Acta 40, 1095-1108 (1976).
5. Pollack, J. B. Icarus 19, 195-201 (1973).
6. McElroy, M. B., Yung, Y. L. & Nier, A. O. Science 194, 70-72 (1976).
7. Nier, A. O., McElroy, M. B. & Yung, Y. L. Science 194, 68-70 (1976).
8. Biemann, K., Owen, T., Rushneck, D., La Fleur, A. & Howarth, D. W. Science 194, 76-78 (1976).
9. Sagan, C., Toon, O. B. & Gierasch, P. J. Science 181, 1045-1049 (1973).
10. Milton, D. J. J. geophys. Res. 78, 4009-4030 (1973).
11. Baker, V. R. & Milton, D. J. Icarus 23, 27-41 (1974).
12. Milton, D. J. Science 183, 654-656 (1974).
13. Sharp, R. P. & Malin, M. C. Gtol. Soc. Am. Bull. 86, 593-609 (1975).
14. Malin, M. C. J. geophys. Res. 81, 4825-4845 (1976).
15. Fieri, D. Icarus 27, 25-49 (1976).
16. Mutch, T. A. et al. Science 193, 791-801 (1976).
17. Levinthal, E. C. et al. J. geophys. Res. (in the press).
18. Klein, H. P. et al. Science 194, 99-105 (1976).
19. Horowitz, N. H., Hobby, G. L. & Hubbard, J. S. Science 194, 1321-1322 (1976).
20. Levin, G. V. & Straat, P. A. Science 194, 1322-1328 (1976).