National Research Council (U.S.). Committee on Planetary and Lunar Exploration & ebrary, Inc. (1990). Strategy for the detection and study of other planetary systems and extrasolar planetary materials, 1990-2000. National Academy Press.
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Chicago-viite (17. p.)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration ja Inc ebrary. Strategy for the Detection and Study of Other Planetary Systems and Extrasolar Planetary Materials, 1990-2000. Washington, D.C.: National Academy Press, 1990.
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MLA-viite (9. p.)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration ja Inc ebrary. Strategy for the Detection and Study of Other Planetary Systems and Extrasolar Planetary Materials, 1990-2000. National Academy Press, 1990.
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