Maitland, Peter S. <br/><br/>
Biology of fresh waters / 
Peter S. Maitland 
 - Glasgow :  Blackie and Son,  1978 
 - 244 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>0216906199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology