Sheehan, Patrick James <br/><br/>
The ecotoxicology of copper and zinc :  studies on a stream macro-invertebrate community / 
Patrick James Sheehan 
 - Davis, Calif. :  University of California,  1980 
 - 262 p. :  ill. ;  21 cm. 
<br/><br/>Thesis (Ph. D.) - University of California, 1980 
<br/><br/>Bibliography : p.239-262 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper--Environmental aspects--California--Dollie Creek<br/>Copper--Environmental aspects--California--Little Grizzly Creek<br/>Zinc--Environmental aspects--California--Dollie Creek<br/>Zinc--Environmental aspects--California--Little Grizzly Creek