一般注記Distributed to depository libraries in microfiche
"October 1981"--Cover
"DOT-I-85-02"--P. [4] of cover
Physical description for original version: 66, [30], 6, [5] p. : 28 cm
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 Transportation, Office of the Secretary of Transportation : [Technology Sharing Program, distributor], 1985
SUPTDOC番号: TD 1.20/8: 85/02
テクニカルリポート番号: DOT-I-85-02
GPO管理番号: 982-I-15 (microfiche)