SHUSTER, C.N., JR., and B. H. PRINGLE. 
1968. Effects of trace metals on estuarine mollusks. Proc. 
1st Mid-Atl. Ind. Waste Conf., Univ. Del. (CE-5):285-304. 
1969. Trace metal accumulation by the American eastern 
oyster, Crassostrea virginica. Proc. Natl. Shellfish. Assoc. 
59:91-103. 
U.S. COUNCIL ON ENVIRONMENTAL QUALITY. 
1971. Toxic substances. U.S. Gov. Print. Off., Wash., D.C., 
25 p. 
ZAROOGIAN, G. E., G. PESCH, and G. MORRISON. 
1969. Formulation of an artificial sea water media suitable for 
oyster larvae development. Am. Zool. 9:1144. 
