U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1981.<NA116-45>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division[1981]<NA141-188>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1980.<NA141-187>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1980.<NA141-189>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978.<NC21-120>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978?]<NA141-92>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978.<NA141-243>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and development, Implementation Division1977.<NA141-167>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1977.<NA31-43>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978.<NA51-20>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1981.<NA141-192>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1976.<NA141-168>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1980.<NA141-156>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1980.<NA141-190>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1978.<NA141-238>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1980 [i.e. 1981]<NA141-205>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980 i.e. 1979.<ME341-80>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division[1978]<NC23-117>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division1977.<NA141-174>
National Diet Library