Appleton, C. C.   Pietermaritzburg, 1996   <br/><br/>
Freshwater Molluscs Of Southern Africa :  With A Chapter On Bilharzia And Its Snail Hosts 

 - 1st Ed. 
 - Pietermaritzburg  University Of Natal Press  1996 
 - 64 pages  24 cm 
<br/><br/><label>ISBN: </label>9780869809198 
<br/><br/><label>Dewey Class. No.: </label>594.1760968 APPL