Quantum theory of gravitational collapse (lecture notes on quantum   conchology)
  Preliminary version No.~2 of the lecture notes for the talk ``Quantum theory of gravitational collapse'' given at the 271. WE-Heraeus-Seminar ``Aspects of Quantum Gravity'' at Bad Honnef, 25 February--1 March 2002 
Petr Hajicek (University of Berne)