Planetary astronomy  proceedings of the fourth conference on Origins of Life held in Elkridge, Maryland, April 13-16, 1971 
edited by Lynn Margulis 
 - Berlin  Springer-Verlag  1973 
 - xi, 268p. 
<br/><br/><label>ISBN: </label>3-540-06065-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Origin of life<br/>Planets
<br/><br/><label>Universal Decimal Class. No.: </label>52-37  / ORI