一般注記Distributed to depository libraries in microfiche
"September 1986."
"Contractor reports"--Cover
Physical description for original version: ix, 89 p. : 28 cm
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 : National Technical Information Service, 1986
SUPTDOC番号: C 60.12: 86-37
GPO管理番号: 126-D-5 (microfiche)