一般注記Distributed to depository libraries in microfiche
"December 1990."
Physical description for original version: x, 485 p. : 28 cm
書誌注記Includes bibliographical references and index
原資料等に関する注記原資料の出版事項: Washington, D.C. ; Springfield, VA : U.S. Dept. of the Interior, Fish and Wildlife Service : National Fish and Wildlife Foundation : National Technical Information Service [distributor, 1991]
SUPTDOC番号: I 49.89/2: 90 (12)
GPO管理番号: 611-R-1 (MF)
ISSN: 08951926