Osterbrock, Donald E. <br/><br/>
Astrophysics of gaseous nebulae and active galactic nuclei 
Donald E. Osterbrock                                         
 - Mill Valley  University Science  1989 
 - xv, 408p. 
<br/><br/><label>ISBN: </label>0-935702-22-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Active galactic nuclei<br/>Astrophysics<br/>Gaseous nebulae<br/>Nabulae<br/>Seyfert galaxies
<br/><br/><label>Universal Decimal Class. No.: </label>524.54  / OST