Comets and the origin of life  proceedings of the fifth College Park colloquium on Chemical Evolution, University of Maryland, College Park, Maryland, U.S.A. October 29th to 31st, 1980 
edited by Cyril Ponnamperuma                                   
 - Dordrecht  D. Reidel Publishing  1980 
 - vii, 282p. 
<br/><br/><label>ISBN: </label>90-277-1318-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Comets<br/>Origin of life<br/>Solar system
<br/><br/><label>Universal Decimal Class. No.: </label>523.64  / COM