Lowman, P. D. (1968). Geologic orbital photography: Experience from the Gemini program. Goddard Space Flight Center.
Lua i Stíl Chicago (17ú heag.)Lowman, Paul D. Geologic Orbital Photography: Experience from the Gemini Program. Greenbelt, Md.: Goddard Space Flight Center, 1968.
Lua MLA (8ú heag.)Lowman, Paul D. Geologic Orbital Photography: Experience from the Gemini Program. Goddard Space Flight Center, 1968.
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