Etkin William <br/><br/>
College biology 

 - New York   Thomas Y Crowell      1952 
 - xxviii, 806p.  cm. 
<br/><br/><label>Standard No.: </label>70595 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G, J23;1