Black holes-theory and observation proceedings of the 179th W. E. Heraeus seminar held in Bad Honnef, Germany, 18-22 August 1997
edited by Friedrich W. Hehl, Claus Kiefer and Ralph J. K. Metzler
- Berlin Springer-Verlag 1998
- xv, 519p.
- Lecture notes in physics; v. 514 .