Schneider, P. <br/><br/>
Gravitational lenses 
P. Schneider, J. Ehlers and E. E. Falco                                                 
 - Berlin  Springer-Verlag  1992 
 - xiii, 560p. 
 - Atronomy and astrophysics library .
<br/><br/><label>ISBN: </label>3-540-97070-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Black holes<br/>Gravitational lenses
<br/><br/><label>Universal Decimal Class. No.: </label>52-423  / SCH