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- National Research Council (U.S.). Transportation Research Board 8 results
- Great Britain. Radio Research Board. Abstracts and references 7 results
- Institution of Engineers Australia 6 results
- American Institute of Chemical Engineers 5 results
- Institution of Mechanical Engineers (Great Britain) 5 results
- American Chemical Society 4 results
- American Society for Metals 4 results
- Canterbury (N.Z.). Environment Canterbury 4 results
- Denshi Joho Tsushin Gakkai (Japan) 4 results
- National Association of Corrosion Engineers 4 results
- National Fire Protection Association 4 results
- Philips' Gloeilampenfabrieken 4 results
- Royal Aeronautical Society 4 results
- Technical Association of the Pulp and Paper Industry 4 results
- Airport Cooperative Research Program 3 results
- Alcatel N.V 3 results
- American Concrete Institute 3 results
- American Institute of Aeronautics and Astronautics 3 results
- American Society of Civil Engineers 3 results
- General Electric Company (Great Britain) 3 results
- Metals Society 3 results
- Society of Automotive Engineers 3 results
- Society of Chemical Industry (Great Britain) 3 results
- United States. Federal Aviation Administration 3 results
- ASM International 2 results
- American Congress on Surveying and Mapping 2 results
- American Institute of Steel Construction 2 results
- American Society for Engineering Education. Chemical Engineering Division 2 results
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- American Society of Photogrammetry 2 results
- Australasian Institute of Mining and Metallurgy 2 results
- Australian Institute of Steel Construction 2 results
- British Nuclear Energy Society 2 results
- Denki Gakkai (1888) 2 results
- Denshi Tsūshin Gakkai 2 results
- Design Council 2 results
- EOS Ecology 2 results
- Geological Survey of Canada. Section of Mines 2 results
- Institute of Electrical and Electronics Engineers 2 results
- Institute of Metals 2 results
- Institution of Radio and Electronics Engineers, Australia 2 results
- International Association for Bridge and Structural Engineering 2 results
- International Civil Aviation Organization 2 results
- Marconi Communication Systems Limited 2 results
- Marconi Company 2 results
- New Zealand Electronics Institute 2 results
- Newcomen Society (Great Britain) 2 results
- Nihon Konkurīto Kōgaku Kyōkai 2 results
- Philips' Telecommunicatie Industrie 2 results
- SOTELEC 2 results more…