Firsoff,V.A. <br/><br/>
Life Beyond the Earth: A Study in Exobiology 

 - New York:  Basic books,   1963. 
 - xvi,320p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574.999  / FIR