Gravitational lenses  proceedings of a conference in honour of Bernard F. Burke's 60th birthday held in Massachusetts, Cambridge, June 20, 1988 
edited by J. M. Moran, Hewitt J. N and Lu K. Y.                                                
 - Berlin  Springer-Verlag  1989 
 - xiv, 238p. 
 - Lecture notes in physics; vol. 330 .
<br/><br/><label>ISBN: </label>3-540-51061-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Black holes<br/>Gravitational lenses<br/>White holes
<br/><br/><label>Universal Decimal Class. No.: </label>524.885(082.2)  / GRA