Maitland, Peter S. <br/><br/>
Biology of fresh waters  / 
Peter S.Maitland. 
 - London  :  Blakie & son ,  1978 
 - xii, 244 p. :  ill.;  21 cm. 
 - Tertiary level biology series. .
<br/><br/>Includes bibliographical references (p.224-33) 
<br/><br/><label>ISBN: </label>0216906857 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic biology
<br/><br/><label>Dewey Class. No.: </label>574.92