Libro 10,035 Government Document 1,062 Conference Proceeding 810 Seriadas 488 Revista 197 Electrónico 142 Thesis 43 Unknown 35 Capítulo de libro 7 Conxunto 2 Manuscrito 2 Mapa 1 Reference Material 1 ver todos ...

T - Technology 10,835

National Research Council (U.S.) Transportation Research Board 2,164 United States Federal Highway Administration 1,462 American Association of State Highway and Transportation Officials 1,210 National Research Council (U.S.) Highway Research Board 807 National Cooperative Highway Research Program 806 United States Bureau of Public Roads 281 National Research Council (U.S.) Transportation Research Board. Annual Meeting 214 National Research Council (U.S.) Transportation Research Board. Meeting 178 Kassabian, Naomi 170 American Association of State Highway Officials 150 United States Federal Highway Administration. Offices of Research and Development 97 National Academy of Sciences (U.S.) 91 Organisation for Economic Co-operation and Development 77 National Research Council (U.S.) Highway Research Board. Annual Meeting 75 National Research Council (U.S.) Commission on Sociotechnical Systems 71 ASTM Committee D-4 on Road and Paving Materials 69 Turner-Fairbank Highway Research Center 67 American Society for Testing and Materials 64 Strategic Highway Research Program (U.S.) 63 United States Department of Agriculture 58 California Division of Highways 49 Crump, Edythe Traylor 46 United States Public Roads Administration 46 Kaplan, Elizabeth W 41 Massachusetts Department of Public Works 41 Road Research Laboratory 41 American Society of Civil Engineers Geo-Institute 40 Asphalt Institute 40 Institute of Electrical and Electronics Engineers 40 Texas Transportation Institute 38 ver todos ...

English 10,166 German 179 French 125 Spanish 116 Russian 74 Chinese 62 Italian 34 Portuguese 22 Japanese 20 Indonesian 19 Korean 16 Dutch 14 Polish 11 Finnish 10 Swedish 7 Turkish 7 Norwegian 6 Vietnamese 6 Arabic 5 Hebrew 5 Greek 4 Undetermined 4 Danish 3 Slovenian 3 Bengali 2 Croatian 2 Hungarian 2 Multiple 2 Romanian 2 Afrikaans 1 ver todos ...

Congresses 1,478 Conference papers and proceedings 851 Periodicals 442 Electronic books 409 Technical reports 364 History 187 Handbooks, manuals, etc 154 Specifications 118 Handbooks and manuals 115 Congrès 49 Statistics 48 Bibliography 32 Pictorial works 31 Dictionaries 26 Actes de congrès 25 Early works to 1800 23 Biography 22 Case studies 22 Government publications 20 Abstracts 18 Biographies 18 Electronic book 18 Internet resource 17 Bibliographies 16 Electronic journals 16 Congress 15 Guides et manuels 15 Academic theses 14 Catalogs 14 Congrès 14 ver todos ...

20th century 37 1900-1999 20 19th century 14 17th century 11 Early works to 1800 9 1923- 7 1756-1836 5 1800-1899 5 1800-1999 4 1891-1942 4 18th century 4 21st century 4 Commonwealth and Protectorate, 1649-1660 4 1757-1834 3 1540-1810 2 1600-1699 2 1700 - 1799 2 1808-1875 2 1838 2 1865-1950 2 1871-1944 2 1900 - 1999 2 1901-1953 2 1909- 2 1933- 2 1945- 2 1958- 2 2000-2099 2 2016 2 20e siècle 2 ver todos ...

United States 1,930 California 184 Great Britain 145 New York (State) 101 New Jersey 75 North Carolina 72 Massachusetts 70 Germany 60 Michigan 50 China 48 Canada 46 New York 46 England 45 Pennsylvania 45 Virginia 45 Ohio 44 Illinois 42 Maryland 42 France 41 Europe 35 Oregon 34 Developing countries 33 Alaska Highway 30 Australia 30 Connecticut 28 India 28 Alaska 27 Texas 27 États-Unis 26 Indonesia 24 ver todos ...