Thomas, William A., 1939-  Thomas, William A., 1939- <br/><br/>
Biological indicators of environmental quality;  a bibliography of abstracts 
[by] William A. Thomas, Gerald Goldstein [and] William H. Wilcox. 
 - Ann Arbor,  Ann Arbor Science Publishers  [1973] 
<br/><br/><label>ISBN: </label>0250400227   
<br/><br/><label>LCCN: </label>73077330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indicators (Biology) -- Abstracts.--Indicators (Biology) -- Abstracts.<br/>Ecology -- Abstracts.--Ecology -- Abstracts.
<br/><br/><label>LC Class. No.: </label>QH541.15.I5  / T46 
<br/><br/><label>Dewey Class. No.: </label>574.5