Rybczynski, Witold. <br/><br/>
Low-cost technology options for sanitation :  a state-of-the-art review and annotated bibliography / 
Witold Rybczynski, Chongrak Polprasert and Michael McGarry. 
 - Ottawa :  International Development Research Centre,  c1978. 
<br/><br/> "IDRC-102e".  "This publication is the result of a joint effort by the International Development Research Centre and the World Bank".  Includes indexes. 
<br/><br/><label>ISBN: </label>088936155X (pbk.) 
<br/><br/><label>LCCN: </label>cn 79070687 
<br/><br/><label>Nat. Bib. No.: </label>C79-70687-3