ISBN 0521258189 books & textbook
Sky Catalogue 2000.0: Volume 2, Galaxies, Double and Variable Stars, and Star Clusters: Stars to Visual Magnitude 2000.0
Hirshfield, Alan Sinnott, Roger W.
Cambridge University Press /1985-04-26 Hardcover / 590 Pages
isbn-10: 0521258189 / isbn-13: 9780521258180