  1980 - Black Holes Quasars 2nd Edn (Hardcover) ISBN-13: 9780395299166 ISBN-10: 0395299160 Genre: Science & Math ?  1980 - Black Holes Quasars and the Universe (Hardcover) → Paperback ISBN-13: 9780395293027 ISBN-10: 0395293022 ?  1980 - Black Holes Quasars and the Universe (Paperback) → Paperback, Hardcover ISBN-13: 9780395284995 ISBN-10: 0395284996 ?  1978 - The Restless Universe an Introduction to Astronomy (Other) ISBN-13: 9780395253922 ISBN-10: 0395253926 ?  Space 2000 Meeting the Challenge of a New Era (Hardcover) ISBN-13: 9780306425349 ISBN-10: 0306425343 Genres: Science & Math, Engineering & Transportation ?   Black Holes Quasars the Universe (Paperback) → Paperback, Hardcover ISBN-13: 9780395206157 ISBN-10: 0395206154 Genre: Science & Math 1  Black Holes Quasars the Universe (Other) → Paperback, Hardcover ISBN-13: 9780395243749 ISBN-10: 0395243742 Genre: Science & Math ? |
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