Lake Chad :  ecology and productivity of a shallow tropical ecosystem / 
edited by J.-P. Carmouze, J.-R. Durand, and C. L ev eque. 
 - The Hague :  W. Junk,  1983. 
 - xv, 575 p. :  ill. ;  25 cm. 
 - Monographiae biologicae  v. 53 .
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lake ecology--Chad, Lake.<br/>Biological productivity--Chad, Lake.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Chad, Lake.