00918nam0-22003011i-450-9900011179604033213-540-58339-4000111796FED01000111796(Aleph)000111796FED0100011179620000920d1994----km-y0itay50------baengCanonical GravityFrom Classical to Quantum Proceedings of the 117th WE Heraeus Seminar held at Bad Honnef, Germany, 13-17 September 1993J. Ehlers, H. Friedrich (Eds.)Berlin [etc.]Springer-Verlag1994Lecture notes in physics434RelativitàGravità530.11Ehlers,Jurgen40370ITUNINARICAUNIMARCBK99000111796040332123-24219512FI1FI1Canonical Gravity336711UNINAING01