Levins Richard <br/><br/>
Evolution in changing environments    Some theoretical explorations.      

 - New Jersey   Princeton University Press      1968 
 - ix,120p  cm. 
<br/><br/><label>Standard No.: </label>24815 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:55, K8