Macan, T. T. <br/><br/>
A guide to freshwater invertebrate animals / 
 Freshwater invertebrate animals 
by T. T. Macan 
 - London :  Longman,  1959 
 - 118 p. :  ill. ;  19 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater invertebrates--United Kingdom