Duncan Mara <br/><br/>
Guidelines for the safe use of Waste water and excreta in agriculture and aquaculture 

 - Geneva  World Health Organisation  1989 
 - 187p 
<br/><br/>Duncan Mara & Sandy Cairncross: Guidelines for the safe use of Waste water and excreta in agriculture and aquaculture.  Geneva.  World Health Organisation, 1989. 92-4-154248-9--(363.15MAR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>92-4-154248-9 
<br/><br/><label>Dewey Class. No.: </label>363.15  / MAR