Solar water disinfection :  proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988 / 
Edited by T.A. Lawand ... et. al]. 
 - Ottawa :  The International Development Research Centre,  1988. 
 - 239 p. 
<br/><br/><label>LCCN: </label>91016237     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--Congresses.