- Society of Photo-optical Instrumentation Engineers (81)
- North Atlantic Treaty Organization. Scientific Affairs Division (70)
- Association for Computing Machinery-Digital Library. (39)
- Society of Automotive Engineers (36)
- Institute of Electrical and Electronics Engineers (31)
- Association nationale de la recherche technique (27)
- North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development (26)
- IEEE Computer Society (24)
- Materials Research Society (23)
- American Society of Mechanical Engineers. Winter Meeting (21)
- New York Academy of Sciences (20)
- Pressure Vessels and Piping Conference (18)
- American Chemical Society. Meeting (17)
- International Atomic Energy Agency (16)
- SAE International Congress & Exposition (16)
- International Federation of Automatic Control (14)
- American Association of Physicists in Medicine (13)
- American Institute of Aeronautics and Astronautics (13)
- Materials Research Society. Meeting (12)
- University of Rochester. Institute of Optics (12)
- American Mathematical Society (10)
- University of Alabama in Huntsville. Center for Applied Optics (10)
- IEEE Electron Devices Society (8)
- International Symposium on Optical and Optoelectronic Applied Sciences and Engineering (8)
- National Research Council of Canada (8)
- Optical Society of America (8)
- Aerospace Technology Conference & Exposition (7)
- American Society of Mechanical Engineers. Pressure Vessels and Piping Division (7)
- Biotech (7)
- British Hydromechanics Research Association (7)
- Darwin, Charles, 1809-1882 (7)
- Energy-Sources Technology Conference and Exhibition (7)
- International Association for Mathematics and Computers in Simulation (7)
- ASPRS-ACSM Annual Convention (6)
- American Congress on Surveying and Mapping (6)
- American Meteorological Society (6)
- American Society for Photogrammetry and Remote Sensing (6)
- Association for Computing Machinery (6)
- Commission of the European Communities (6)
- Institution of Electrical Engineers (6)
- Institution of Electrical Engineers. Power Division (6)
- International Technical Symposium on Optical and Electro-optical Applied Science and Engineering (6)
- National Science Foundation (U.S.) (6)
- Society for Computer Simulation (6)
- Society for Industrial and Applied Mathematics (6)
- ACM Special Interest Group for Automata and Computability Theory (5)
- ASCE National Convention (5)
- American Chemical Society (5)
- American Chemical Society. Division of Agricultural and Food Chemistry (5)
- American Geophysical Union (5)
- American Society of Mechanical Engineers. Applied Mechanics Division (5)
- American Society of Mechanical Engineers. Fluids Engineering Division (5)
- American Society of Mechanical Engineers. Heat Transfer Division (5)
- American Society of Mechanical Engineers. Petroleum Division (5)
- American Society of Mechanical Engineers. Pressure Vessels and Piping Division. Operations, Applications, and Components Committee (5)
- Annual Pittsburgh Conference (5)
- Boland, R. G. A. (5)
- Cheremisinoff, Nicholas P., 1952- (5)
- Evered, David (5)
- IEEE Aerospace and Electronic Systems Society (5)
- IEEE Systems, Man, and Cybernetics Society (5)
- Institute of Electrical and Electronics Engineers. Pittsburgh Section (5)
- Institute of Mathematical Statistics (5)
- Institution of Electrical Engineers. Electronics Division (5)
- Instrument Society of America. Pittsburgh Section (5)
- International Astronomical Union. Symposium (5)
- International School of Physics "Enrico Fermi" (5)
- Knuth, Donald Ervin, 1938- (5)
- Mickle, Marlin H. (5)
- Society of Petroleum Engineers of AIME (5)
- Società italiana di fisica (5)
- University of Pittsburgh. Dept. of Electrical Engineering (5)
- Vogt, William G. (5)
- Weir, D. M. (Donald Mackay) (5)
- AIAA/ASME Fluid Mechanics, Plasma Dynamics, and Lasers Conference (4)
- American Chemical Society. Division of Polymeric Materials : Science and Engineering (4)
- American Concrete Institute (4)
- American Institute of Physics (4)
- American Society of Mechanical Engineers (4)
- American Society of Mechanical Engineers. Pressure Vessels and Piping Division. Design and Analysis Committee (4)
- Blackwell, Caroline (4)
- Bloom, Harold, 1930- (4)
- Byrnes, Christopher I., 1949- (4)
- CIBA Foundation (4)
- Electrochemical Society. Meeting (4)
- Gamkrelidze, Revaz Valerianovich, 1908- (4)
- Gohberg, Israel, 1928- (4)
- Herzenberg, Leonard A. (4)
- Herzenberg, Leonore A. (4)
- IEEE Power Engineering Society (4)
- IMACS World Congress on System Simulation and Scientific Computation (4)
- Institution of Electrical Engineers. Computing & Control Division (4)
- International Association of Hydrological Sciences (4)
- International Off-Highway & Powerplant Congress & Exposition (4)
- Lindquist, Anders (4)
- MTNS International Symposium (4)
- Pergamon Infotech (4)
- Pontri︠a︡gin, L. S. (Lev Semenovich), 1908- (4)
- Royal Society of Chemistry (Great Britain) (4)
- Technical Association of the Pulp and Paper Industry (4)
- (183)
>次へ