Harwit, Martin Astrophysical concepts Martin Harwit - 4th ed. - New York Springer 2006 - xvi, 714p. - Astronomy and astrophysics library . ISBN: 978-0-387-32943-7 Subjects--Topical Terms: AstrophysicsHistory of the UniverseLife in the Universe Universal Decimal Class. No.: 524 / HAR