00790nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001600084111006900100245025300169260004200422300001500464650004100479650001100520650001900531650001700550700002900567IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-1318-9  cIIA Library  a523.64bCOM  aColloquium on Chemical Evolutionn5thcU.S.A.d1980 Oct. 29 - 31 0aComets and the origin of lifebproceedings of the fifth College Park colloquium on Chemical Evolution, University of Maryland, College Park, Maryland, U.S.A. October 29th to 31st, 1980cedited by Cyril Ponnamperuma                                    aDordrechtbD. Reidel Publishingc1980  avii, 282p.  aAstronomy and astrophysics thesaurus  aComets  aOrigin of life  aSolar system  aPonnamperuma, Cyril, ed.