一般注記"U.S. Geological Survey, Biological Resources Division"--P. [2] of cover
Shipping list no.: 98-0926-M
"April 1998."
Physical description for original version: iv, 76 p. : 28 cm
書誌注記Includes bibliographical references (p. 66-76)
原資料等に関する注記原資料の出版事項: Laurel, MD ; Springfield, VA : U.S. Dept. of the Interior, U.S. Geological Survey, Patuxent Wildlife Reseach Center : National Technical Information Service, distributor, [1998]
SUPTDOC番号: I 19.209: 1998-0001
GPO管理番号: 0626-C-02 (MF)
ISSN: 1081292X