Spry, J. F. <br/><br/>
The sea shells of Dar es Salaam 

 - Dar es Salaam  1961. 
 - 33p.  : ill.   ; 25cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gasteropoda
<br/><br/><label>LC Class. No.: </label>PAM QL430.4.S7