Dept. of Transportation, Federal Highway Administration, Office of Research, Environmental Division1978 i.e. 1979.<NA141-148>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, [Office of Research], Traffic Systems Division1980.<DK23-64>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, [Offices of Research and Development, Office of Research], Traffic Systems Division1977.<DK11-183>
国立国会図書館
Federal Highway Administration, [Office of Research]1979.<NC21-55>
国立国会図書館
Federal Highway Administration, [Office of Research] , Traffic Systems Division1978.<DK48-142>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development1978.<NA141-91>
国立国会図書館
Federal Highway Administration, [Office of Research], Structures & Applied Mechanics Division1978.<NA141-172>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, Environmental Design & Control Division1978.<DK11-250>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<DK48-84>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development1978.<NC21-42>
国立国会図書館
Federal Highway Administration, [Office of Research], Structures & Applied Mechanics Division1978.<NA141-146>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Office of Research and Development, [Office of Development], Implementation Division1979.<NA141-178>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development1977.<DK23-44>
国立国会図書館
Federal Highway Administration, [Office of Research], Traffic Systems Division1979.<DK11-283>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, Traffic Systems Division1980.<DK46-15>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978.<NC21-120>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, [Office of Development], Implementation Division1979.<NA141-241>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Office of Research, Traffic Systems Division1979.<NA141-224>
国立国会図書館
Dept. of Transportation, Federal Highway Administration, Office of Highway Operations1979.<NA141-254>
国立国会図書館
Federal Highway Administration, Offices of Research and Development, Implementation Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980.<NA141-171>
国立国会図書館