Watt, S.B <br/><br/>
Septic tanks  and aqua-privies from ferrocement 

 - London  ITP  1995 
 - 98 p. 
<br/><br/><label>ISBN: </label>0903031957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>628.742  / WAT