一般注記"Cooperating agencies: Fish and Wildlife Service, Environmental Protection Agency"--Cover
Distributed to depository libraries in microfiche
"June 1988."
Physical description for original version: xi, 96 p. : 28 cm
原資料等に関する注記原資料の出版事項: Washington DC : U.S. Dept. of the Interior, Fish and Wildlife Service, Research and Development, [1988]
SUPTDOC番号: I 49.89/2: 88 (13)
GPO管理番号: 611-R-1 (microfiche)