study of dark nebulae
By: by Bart J. Bok and Carolyn S. Cordwell.
Contributors: Cordwell, Carolyn S.
Publisher: Steward Observatory, University of Arizona
Published: 1971
Place of publication: Tucson
Language: eng
Number of pages: 47
Subjects: Nebulae.
Notes: Typescript.

Bibliography: leaves 44-46.