一般注記Distributed to depository libraries in microfiche
Shipping list no.: 92-0767-M
"March 1991."
Physical description for original version: iv, 38 p. : 28 cm
書誌注記Includes bibliographical references (p. 38)
原資料等に関する注記原資料の出版事項: Boulder, Colo. ; Springfield, VA : U.S. Dept. of Commerce, National Telecommunications and Information Administration : For sale by the National Technical Information Service, [1991]
SUPTDOC番号: C 60.10: 91-273
GPO管理番号: 0126-D-03 (MF)