Purdom, Walton P  _ <br/><br/>
Environmental health 

 - New York  Academic Press  1971 
 - xiv, 584  p.  23cm.  HB 
<br/><br/><label>ISBN: </label>0125678509 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Environmental health engineering<br/>Biotechnology
<br/><br/><label>Dewey Class. No.: </label>620.85  / ENV