一般注記Distributed to depository libraries in microfiche
"March 1987."
Physical description for original version: x, 140 p. : 28 cm
原資料等に関する注記原資料の出版事項: [Washington, DC] ; [Boulder, CO] ; Springfield, VA : Office of the Manager, National Communications System, Technology and Standards Office : U.S. Dept. of Commerce, National Telecommunications and Information Administration : For sale by the National Technical Information Service, [1987]
SUPTDOC番号: C 60.9: 87-20
GPO管理番号: 126-D-3 (microfiche)