Watt, S. B. <br/><br/>
Septic tanks and aqua-privies from ferrocement / 
S.B. Watt. 
 - London :  Intermediate Technology Publications,   c1984. 
 - x, 98 p. :  ill. ;  21 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0903031957(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Septic tanks.<br/>Sewage disposal, Rural.