Trager W <br/><br/>
Symbiosis 

 - New York       Van Nostrand         1970 
 - ix,100p.  cm. 
<br/><br/><label>Standard No.: </label>39904 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G:567, L0