Waste stabilisation ponds :    a design manual for Eastern Africa /  
D. D. Mara..[et al] 
 - Leeds, England :    Lagoon Technology International,    1992. 
 - viii, 121 p. :    ill., maps, figs. ;    30 cm. 
<br/><br/><label>ISBN: </label>0951986902 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Sewage lagoons.<br/> Sewage disposal<br/> Sewage -- Purification.
<br/><br/><label>Dewey Class. No.: </label>AF Q 628.351 WAS