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 - Corbally, C. J. (Christopher J.); Gray, R. O. (Richard O.); Garrison, R. F. (Robert F.) (San Francisco : Astronomical Society of the Pacific, 1994)
Includes bibliographical references and index.
Keywords: Morgan, W. W. -- 1906-; Keenan, Philip C. -- 1908-; Stars -- Spectra -- Congresses; Stars -- Classification -- Congresses; Astronomical photometry -- Congresses