Viruses and trace contaminants in water and wastewater 
proceedings / edited by Jack A. Borchardt ... et al. 
 - Ann Arbor  Ann Arbor Science  1977 
 - 249 pages. :  illustrations. ;   24 cm. 
<br/><br/><label>ISBN: </label>0250401703 
<br/><br/><label>LCCN: </label>77-076910 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Congresses<br/>Trace elements in water--Congresses<br/>Viral pollution of water--Congresses