James  G. Needham <br/><br/>
Guide to the Study of fresh Water Biology. Ed 5 Re Enlg 

 - 5 Rev Engl 
 - Sanfrancisco  Holden-day Inc  1967 
 - 108p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>574.929  / NEE