Henderson-Sellers, A., Benlow, A. & Meadows, A. J. Q. Jl R. astr. Soc.21, 74–81 (1980). ADSCAS Google Scholar
Moorbath, S. Geol. Ass. Can. Spec. pap.20, 89–115 (1981). Google Scholar
Safronov, V. S. Icarus33, 3–12 (1978); Evolution of the Protoplanetary Cloud and Formation of the Earth and the Planets (NASA Tech. Transl. TTF-677 Washington DC, 1972). Google Scholar
Kaula, W. M. Geol. Ass. Can. Spec. pap.20, 25–34 (1981); J. geophys. Res.84, 999–1008 (1979). Google Scholar
O'Keefe, J. D. & Ahrens, T. J. J. geophys. Res. (submitted); Proc. 8th Lunar Sci. Conf. 3357–3374 (1977).
Orphal, D. L., Roddy, D. J., Schultz, P. H., Borden, W. F. & Larson, S. A. Pap. Conf. on Large Body Impacts and Terrestrial Evolution, Snowbird, Utah, 41 (Lunar Planetary Institute, Houston, 1981).
Levine, J. S. & Augustsson, T. R. in Proc. College Park Colloquia on the Voyager Mission: Implications for Planetary Biology, Oct. 4–6 (1981). Google Scholar
Wasserburg, G. J., Papanastassiou, D. A., Tera, F. & Huneke, J. C. Phil. Trans. R. Soc. A285, 7–22 (1977). ArticleADSCAS Google Scholar
Kuhn, J. in Proc. GISS Summer Inst. Planet. Climate, 1981 (NASA, New York, 1981).
Hansen, J. E., Russell, G., Rind, D., Stone, P. H., Lacis, A., Lebedeff, S., Ruedy, R. & Travis, L. Mon. Weath. Rev. (submitted).
O'Keefe, J. D. & Ahrens, T. J. Pap. Conf. on Large Body Impacts and Terrestrial Evolution, Snowbird, Utah, 39 (Lunar Planetary Institute, Houston, 1981).
McKay, C. P. & Thomas, G. E. Pap. Conf. on Large Body Impacts and Terrestrial Evolution, Snowbird, Utah, 33 (Lunar Planetary Institute, Houston, 1981).
Onorato, P. I. K., Uhlmann, D. R. & Simonds, C. H. J. geophys. Res.83, 2789–2798 (1978). ArticleADSCAS Google Scholar