Kaufmann, William J. Universe / William J. Kaufmann III. - 2nd ed. - New York : W.H. Freeman and Company c1988. - xx, 634 p. : ill. (some col.) ; 27 cm. ISBN: 0716719274 Subjects--Topical Terms: Astronomy.Cosmology. LC Class. No.: QB43.2 / .K38 1988 Dewey Class. No.: 523