Levins, Richard <br/><br/>
Evolution in changing enviornments some theoretical explorations  Richard Levins. 

 - Princeton  Princeton University Press  1968 
 - ix, 120p.: ill. 24 cm. 
 - (Monographs in populations biology edited by Robert H. Macarthur no.2). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Papulation genetics Genetics Evolution biology.
<br/><br/><label>Dewey Class. No.: </label>575.3  / L53E