Lang, K. R. Astrophysical formulae vol I, radiation, gas processes and high energy astrophysics K. R. Lang - 3rd ed. - Berlin Springer-Verlag 1999 - xx, 614p - Astronomy and Astrophysics Library . ISBN: 3-540-61267-X Subjects--Topical Terms: astrophysicsastrophysics-formulaeformulae Universal Decimal Class. No.: 52(083) / LAN