Andrew M. Shaw
Lewis, John S.
David Arnold Williams
Hans Eduard Suess
Symposium on Cosmochemistry Cambridge, Mass. 1972.
Richard E. Wainerdi
R. J. Tayler
A.G.W. Cameron
Michel Fich
Lunar and Planetary Science Conference (21st 1990 Houston, Tex.)
Unknown Author
European Southern Observatory
Giora Shaviv
International Astronomical Union. Colloquium
Dieter Cremer
T. W. Hartquist
Thérèse Encrenaz
Carlos Jaschek