一般注記At head of title: United States Department of Agriculture, National Agricultural Library [and] the University of Illinois at Chicago
Distributed to depository libraries in microfiche
Shipping list no.: 93-0568-M
"April 1990."
Physical description for original version: vi, 126 p. : 28 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: Beltsville, Md. : National Agricultural Library, [1990]
SUPTDOC番号: A 17.22: R 31
GPO管理番号: 0095-C-01 (MF)