一般注記Distributed to depository libraries in microfiche
"July 1983."
"DOT/RSPA/DMA-50-83-6"--Cover
Physical description for original version: iii, 87 p. : 28 cm
原資料等に関する注記原資料の出版事項: Washington, D.C. ; [Springfield, Va.? : U.S. Dept. of Transportation, Research and Special Programs Administration, Office of University Research : National Technical Information Service, distributor], 1983
SUPTDOC番号: TD 10.11: 50/83/6
テクニカルリポート番号: DOT/RSPA/DMA-50-83-6
GPO管理番号: 982-K-5 (microfiche)