United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee & ebrary, Inc. (2007). A performance assessment of NASA's Astrophysics Program. National Research Council.
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Chicago-čujuhus (17. p.)
United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee juo Inc ebrary. A Performance Assessment of NASA's Astrophysics Program. Washington, D.C.: National Research Council, 2007.
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MLA-čujuhus (9. p.)
United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee juo Inc ebrary. A Performance Assessment of NASA's Astrophysics Program. National Research Council, 2007.
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