一般注記Distributed to depository libraries in microfiche
"September 1990."
Physical description for original version: viii, 70 p. : 28 cm
書誌注記Includes bibliographical references (p. 54-58)
原資料等に関する注記原資料の出版事項: Washington, D.C. (Publications Unit, U.S. Fish and Wildlife Service, 1849 C Street, N.W., Mail Stop 130-ARLSQ, Washington, 20240) : U.S. Dept. of the Interior, Fish and Wildlife Service, [1991]
SUPTDOC番号: I 49.89/2: 85 (7.29)
GPO管理番号: 611-R-1 (MF)