Yanko, William A., <br/><br/>
Ocurrence of pathogens in distribution and marketing municipal sludges / 
William a. yanko 
 - 1 volumen (en varias paginaciones) 
 - Cooperative agreement ;  no. cr812589 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiología sanitaria
<br/><br/><label>LC Class. No.: </label>QR48  / Y35