R. O. Gray

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Books by R. O. Gray (50 max)

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The MK process at 50 years: a powerful tool for astrophysical insight : a workshop of the Vatican Observatory, Tucson, Arizona, U.S.A., September 1993

1994

C. J. Corbally, R. O. Gray

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The Garrison festschrift: held in Tucson, Arizona, at the Arizona Inn, June 10-11, 2002

2003

R. O. Gray, C. J. Corbally, A. G. Davis Philip

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Prof. R. O. Gray's new English-Italian and Italian-English pocket-dictionary

1931

R. O. Gray

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Stellar spectral classification

2009

R. O. Gray