Revised MK spectral atlas for stars earlier than the sun
By: W. W. Morgan, H. A. Abt, J. W. Tapscott
Contributors: Abt, Helmut A.; Tapscott, J. W.
Publisher: Yerkes Observatory, University of Chicago, and Kitt Peak National Observatory
Published: 1978
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 32
Subjects: Stars; Classification; Spectra; Catalogs
Notes: "The present atlas was prepared ... to furnish an improved version of the out-of-print Atlas of Stellar Spectra by Morgan, Keenan, and Kellman (University of Chicago Press, 1943) ..."

Text and plates issued together.

Cover title.