一般注記"Report series"--Cover
"National Telecommunications & Information Administration ; Institute for Telecommunication Sciences"--Bibl data sht
Distributed to depository libraries in microfiche
"May 1987."
Physical description for original version: v, 26 p. : 28 cm
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, 1987
SUPTDOC番号: C 60.10: 87-215
GPO管理番号: 126-D-3 (microfiche)