Theoretical astrophysics 
edited by V. A. Ambartsumyan 
 - London  Pergamon Press  1958 
 - xii, 645p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics<br/>Novae<br/>Planetary nebulae<br/>Stellar photosphere
<br/><br/><label>Universal Decimal Class. No.: </label>524  / AMB