一般注記Distributed to depository libraries in microfiche
Paper version no longer for sale by the Supt. of Docs
"October 1988."
Physical description for original version: 672 p. ; 24 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, [1988]
SUPTDOC番号: C 60.9: 88-21
GPO管理番号: 0126-D-03 (MF)