Analysis of wastewater for use in agriculture : a laboratory manual of parasitological and bacteriological techniques / 
W.H.O., Rachel M. Aires & D. Duncan Mora. 
 - Geneva :  W.H.O.,  1996 
 - iv, 31 p. ;  30 cm 
<br/><br/> Revisado moncho 
<br/><br/><label>ISBN: </label>9241544848 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parasitología médica--manuales, etc.<br/>Agricultura
<br/><br/><label>LC Class. No.: </label>RC112  / W67 1996