Cites del registre
Cita APA (7th ed.)
Aller, L. H., & Keyes, C. D. (1980). International Ultraviolet Explorer satellite observations of seven high-excitation planetary nebulae. Proc Natl Acad Sci U S A.
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Cita Chicago (17th ed.)
Aller, L. H., i C. D. Keyes. "International Ultraviolet Explorer Satellite Observations of Seven High-excitation Planetary Nebulae."
Proc Natl Acad Sci U S A 1980.
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Cita MLA (9th ed.)
Aller, L. H., i C. D. Keyes. "International Ultraviolet Explorer Satellite Observations of Seven High-excitation Planetary Nebulae."
Proc Natl Acad Sci U S A, 1980.
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Atenció: Aquestes cites poden no estar 100% correctes.