一般注記No longer available for sale by the Supt. of Docs
Distributed to depository libraries in microfiche
"November 1985."
Physical description for original version: 121 p. ; 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Washington, D.C. : U.S. Dept. of Commerce, National Telecommunications and Information Administration, [1985]
SUPTDOC番号: C 60.9: 85-17
GPO管理番号: 126-D-3 (microfiche)