Physical description for original version: v. : 26 cm
書誌注記
Includes bibliographical references
原資料等に関する注記
原資料の出版事項: Washington, D.C. : U.S. Dept. of the Interior, Fish and Wildlife Service, National Wildlife Health Center : [Supt. of Docs., U.S. G.P.O., distributor], 1987-