Worf, Douglas L. <br/><br/>
Biological monitoring for envrinmental effects 
Douglas L Worf 
 - Lexington   Lexington Books 1980 
<br/><br/><label>ISBN: </label>0699033065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indicators (Biology)
<br/><br/><label>LC Class. No.: </label>QH 541.5 .W6