Estuarine ecology  with particular reference to southern Africa / 
edited by J.H. Day 
 - Rotterdam :  A. A. Balkema,  1981 
 - viii, 411 p.:  ill.;  29 cm. 
<br/><br/><label>ISBN: </label>9061912059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estuarine ecology--Africa, Southern<br/>Estuarine ecology--Addresses, essays, lectures