Livro 1,764 Documento Governamental 469 Periódico 118 Anais de Congresso 52 Periódico 30 Recurso Eletrônico 7 Tese 5 Capítulo de Livro 3 online 2 Mapa 1 Material de Referência 1 Ver todos ...

T - Tecnologia 1,930

National Research Council (U.S.) Transportation Research Board 616 United States Federal Highway Administration 486 American Association of State Highway and Transportation Officials 429 National Cooperative Highway Research Program 309 National Research Council (U.S.) Highway Research Board 129 United States Bureau of Public Roads 89 National Research Council (U.S.) Transportation Research Board. Annual Meeting 60 National Research Council (U.S.) Transportation Research Board. Meeting 44 Kassabian, Naomi 40 National Academy of Sciences (U.S.) 29 American Association of State Highway Officials 27 Turner-Fairbank Highway Research Center 25 United States Federal Highway Administration. Traffic Systems Division 25 United States Public Roads Administration 25 National Research Council (U.S.) Commission on Sociotechnical Systems 23 United States General Accounting Office 23 United States Congress. House. Committee on Roads 20 National Research Council (U.S.) Highway Research Board. Annual Meeting 19 United States Federal Highway Administration. Offices of Research and Development 19 United States Department of Agriculture 18 United States Federal Highway Administration. Offices of Research, Development, and Technology 18 United States Congress. Senate. Committee on Post Offices and Post Roads 15 United States Federal Highway Administration. Structures and Applied Mechanics Division 15 United States Joint Program Office for Intelligent Transportation Systems 15 Davis, Charles Henry, 1865- 14 National Highways Association 14 National Highway Institute (U.S.) 13 Strategic Highway Research Program (U.S.) 13 United States 13 Crump, Edythe Traylor 11 Ver todos ...

English 1,927 Italian 1 Japanese 1 Spanish 1

Congresses 255 Technical reports 130 Conference papers and proceedings 114 Periodicals 111 Handbooks, manuals, etc 38 Specifications 28 Handbooks and manuals 24 Electronic books 21 History 17 Statistics 17 Actes de congrès 12 Government publications 12 Legislative hearings 11 Internet resource 8 Case studies 6 Congress 6 Databases 6 Directories 5 Exhibition catalogs 5 Bibliography 4 Guides et manuels 4 Abstracts 3 Annual reports 3 Electronic government information 3 Exhibitions 3 Handbook 3 Audiences législatives 2 Bibliographies 2 Biography 2 Collections 2 Ver todos ...

20th century 10 1900-1999 5 19th century 3 1900 - 1999 2 1901-1953 2 20th Century 2 1500-1700 1 1752-1818 1 1800 - 1999 1 1800-1999 1 1889- 1 1940 1 1981-1993 1 Geschichte 1890-1956 1 Since 1981 1 Ver todos ...