Author
United States. National Aeronautics and Space Administration
549
SpringerLink (Online service)
158
American Astronautical Society
135
American Institute of Aeronautics and Astronautics
129
United States. National Aeronautics and Space Administration. Scientific and Technical Information Program
79
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
76
Langley Research Center
74
Goddard Space Flight Center
70
International Academy of Astronautics
68
Jet Propulsion Laboratory (U.S.)
67
United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
66
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
63
Library of Congress. Congressional Research Service
54
United States. Congress. Senate. Committee on Aeronautical and Space Sciences
50
ProQuest Ebook Subscriptions
47
Society of Photo-optical Instrumentation Engineers
47
GPO MARCIVE
46
ProQuest (Firm)
45
Smith, Marcia S.
42
United States. Congress. House. Committee on Science and Astronautics
39
Library of Congress. Science Policy Research Division
38
United States. General Accounting Office
38
United States. National Aeronautics and Space Administration. History Office
35
Society of Photo-Optical Instrumentation Engineers
33
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office
33
Lewis Research Center
32
Lyndon B. Johnson Space Center
32
Mecherle, G. Stephen
32
United States. Department of State
32
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space
30
United States
29
Institute of Electrical and Electronics Engineers
28
International Astronautical Federation
27
History Symposium of the International Academy of Astronautics
26
United States. Congress. House. Committee on Science and Technology (2007-2011). Subcommittee on Space and Aeronautics
26
El-Genk, Mohamed S.
25
George C. Marshall Space Flight Center
25
Space Technology & Applications International Forum Albuquerque, N.M.
25
Launius, Roger D.
24
United States. Congress. House. Committee on Science and Technology
24
Bainum, Peter M.
22
Dick, Steven J.
22
Ames Research Center
21
COSPAR
21
United States. Congress. House. Committee on Science. Subcommittee on Space and Aeronautics
21
International Astronautical Congress
20
Rand Corporation
20
United States. Congress. Office of Technology Assessment
20
United States. National Aeronautics and Space Administration. Office of Inspector General
20
United Nations. Office for Outer Space Affairs
19
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