Purdom, P. Walton, 1917-  Purdom, P. Walton, 1917- <br/><br/>
Environmental health / 
edited by P. Walton Purdom ; contributors: Karl L. Gabriel [and others]. 
 - New York :  Academic Press,  [1971] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>70154403 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health.
<br/><br/><label>LC Class. No.: </label>RA565  / .P87 
<br/><br/><label>Dewey Class. No.: </label>614/.7