Berg,,Gerald / <br/><br/>
Indicators of viruses in water and food 
Gerald,Berg 
 - Michigan  Ann arbor science  c1978 
 - viii , 424p. 
<br/><br/><label>ISBN: </label>0250400553 
<br/><br/><label>Subjects--Index Terms: </label>Indicators of viruses in water and food 
<br/><br/><label>Dewey Class. No.: </label>616.988  / BER