一般注記Distributed to depository libraries in microfiche
Shipping list no.: 92-1681-M
"November 1991."
Physical description for original version: vi, 31 p. ; 28 cm
書誌注記Includes bibliographical references (p. 25-26)
原資料等に関する注記原資料の出版事項: [Boulder, CO] : U.S. Dept. of Commerce, National Telecommunications and Information Administration, [1991]
SUPTDOC番号: C 60.11: 91-150
GPO管理番号: 0126-D-10 (MF)