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Author/Creator
- Naval Postgraduate School (U.S.)5
- Commission of the European Communities. Directorate-General Telecommunications, Information Market, and Exploitation of Research1
- Commission of the European Communities. Directorate-General for Telecommunications, Information Industries, and Innovation1
- D'Anjou, Moisan & Associés1
- Defense Documentation Center (U.S.)1
- ECOTEC Research and Consulting Limited1
- European Commission. DGXIII "Telecommunications, Information Market, and Exploitation of Research."1
- European Commission. Innovation Programme1
- George C. Marshall Space Flight Center1
- Institutul de Documentare Tehnică1
- Ke xue ji shu zi liao zhong xin1
- Massachusetts Institute of Technology1
- United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch1
- United States. National Aeronautics and Space Administration. Scientific and Technical Information Division1
- United States. National Aeronautics and Space Administration. Scientific and Technical Information Program1
- Zhongguo ke xue ji shu qing bao yan jiu suo1
- Zhongguo ke xue yuan. K'o hsüeh ch'ing pao yen chiu so1