Book 16,366 Conference Proceeding 3,081 Government Document 2,294 Electronic 1,100 Journal 624 Serial 364 Thesis 224 Unknown 168 Kit 47 Audio 43 Reference Material 19 Photo 10 Manuscript 4 Book Chapter 2 see all ...

T - Technology 5,474 H - Social Science 2,571 Z - Library Science 2,528 Q - Science 1,329 K - Law 1,081 G - Geography, Anthropology, Recreation 298 C - Historical Sciences 227 U - Military Science 212 R - Medicine 164 J - Political Science 150 P - Language and Literature 108 V - Naval Science 92 L - Education 75 A - General Works 55 S - Agriculture 53 N - Fine Arts 50 E - United States History 30 B - Philosophy, Psychology, Religion 22 D - World History 20 M - Music 18 F - General American History 15 see all ...

SpringerLink (Online service) 1,254 United States General Accounting Office 646 Institute of Electrical and Electronics Engineers 348 IEEE Xplore (Online service) 288 Society of Photo-optical Instrumentation Engineers 205 American Society for Testing and Materials 156 ASTM International 153 IEEE Industrial Electronics Society 149 ebrary, Inc 131 International Federation of Automatic Control 111 American Bar Association Section of Law Practice Management 95 IEEE Computer Society 95 IEEE Robotics and Automation Society 94 ProQuest (Firm) 76 National Institute of Standards and Technology (U.S.) 72 United States Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation 71 United States Internal Revenue Service 70 IEEE Staff 66 Society of Photo-Optical Instrumentation Engineers 59 United States National Aeronautics and Space Administration 56 United States Government Accountability Office 55 International Labour Office 54 Association of Research Libraries Systems and Procedures Exchange Center 51 International Federation for Information Processing 51 Larc Association 51 Rand Corporation 51 United States Congress. Office of Technology Assessment 50 United States Postal Service 44 IS & T--the Society for Imaging Science and Technology 42 De Gruyter 41 see all ...

English 15,488 German 743 Russian 541 French 395 Chinese 203 Spanish 153 Italian 129 Japanese 128 Arabic 67 Dutch 55 Portuguese 49 Hebrew 46 Korean 32 Swedish 29 Polish 28 Undetermined 18 Ukrainian 16 Czech 15 Danish 15 Indonesian 15 Bulgarian 13 Norwegian 13 Croatian 12 Multiple 12 Slovak 10 Greek 9 Vietnamese 8 Persian 7 Thai 7 Finnish 5 see all ...

Congresses 3,570 Conference papers and proceedings 2,542 Electronic books 2,090 Periodicals 814 Bibliography 211 Handbooks, manuals, etc 159 Case studies 151 Congrès 144 Directories 107 Electronic journals 107 Congress 101 History 98 Bibliographies 90 Handbooks and manuals 87 Technical reports 76 Internet videos 64 Statistics 62 Dictionaries 58 Congrès 54 Legislative hearings 47 Periodical 45 Databases 42 Electronic book 41 Educational films 40 Video recordings 39 Périodiques 38 Rules and practice 36 bibliography 33 bibliografía 32 bibliographie 32 see all ...

20th century 47 1945- 29 21st century 27 1900-1999 21 Since 1945 16 2000-2099 14 1914- 7 1945-1989 6 1993-2001 6 1971- 5 19th century 5 1929 4 1932- 4 1945-1964 4 2009- 4 21e siècle 4 Medieval, 500-1500 4 Since 2009 4 1265-1321 3 1818-1883 3 1923- 3 1960-1980 3 1971-1981 3 1981- 3 1991- 3 1994- 3 2004 3 2010 3 500-1500 3 17th century 2 see all ...

United States 2,994 Soviet Union 214 Great Britain 191 Japan 128 Germany 119 Europe 99 Canada 91 California 76 Germany (West) 65 India 62 France 60 Russia (Federation) 57 Italy 54 New York (State) 52 États-Unis 45 Brazil 38 Developing countries 36 Israel 34 China 30 England 30 Mexico 28 Australia 27 Netherlands 26 Russia 24 Taiwan 24 Sweden 23 European Union countries 22 European Economic Community countries 19 New Jersey 18 Spain 18 see all ...