Gravitational lensing  proceedings of a workshop Toulouse, France, September 13-15, 1989 
edited by Y. Mellier, B. Fort and G. Soucail                                                  
 - Berlin  Springer-Verlag  1990 
 - xv, 315p. 
 - Lecture notes in physics; v. 360 .
<br/><br/><label>ISBN: </label>3-540-52648-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Black holes<br/>Gravitational lenses<br/>Microlensing<br/>White holes
<br/><br/><label>Universal Decimal Class. No.: </label>524.885(082.2)  / GRA