Epidemiological studies of risks associated with the agricultural use of sewage sludge :  knowledge and needs / 
edited by J. C. Block, A. H. Havelaar and P. L'hermite 
 - London :  Elsevier Applied Science,  1986 
 - 168 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1851660356 
<br/><br/><label>LCCN: </label>86-011435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage sludge as fertilizer--Health aspects--Congresses<br/>Health risk assessment--Congresses<br/>Pathogenic microorganisms--Congresses