Examination of water for polution control : a reference handbook 
edited by Michael J. Suess 
 - Oxford   Pergamon Press  c1982 
 - v.  24cm. 
<br/><br/> v. 3 : Biological, bacteriological and virological examination  
<br/><br/><label>Dewey Class. No.: </label>629.168  / EXA