Physical description for original version: xvii, 75 p. : 28 cm
書誌注記
Includes bibliographies
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 State, U.S. Man and the Biosphere Program, Tropical and Subtropical Forests Directorate : For sale by the Supt. of Docs., U.S. G.P.O. : Available from National Technical Information Service, 1987