Groner, G. F. <br/><br/>
Simulating physbe with biomod / 
G. F. Groner 
 - California : Rand Corporation,  1972 
 - 16 pages :  illustrations ;  28 cm. 
 - The Rand paper series ;  p.4623 .
 - Rand paper series ;  p.4623 .
<br/><br/>Includes bibliographical references.