Proceedings University of Missouri's 1st annual conference on trace substances in environmental health  Memorial Union, University of Missouri, Columbia, Missouri, July 10 and 11, 1967 
edited by Delbert D. Hemphill ; sponsored by University of Missouri, Environmental Health Center and Extension Division 
 - Missouri  University Of Missouri  1968 
 - 236 s.  tbl., res.  24 cm. 
<br/><br/>Kaynakça var. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogeochemistry--Congresses.<br/>Environmental health--Congresses.<br/>Environmental Health--Congresses.<br/>Trace elements--Congresses.--Environmental aspects<br/>Trace Elements--Congresses.
<br/><br/><label>Dewey Class. No.: </label>628 CON 1968