01053nam0-22003251i-450-9900011078104033210-8176-3443-6000110781FED01000110781(Aleph)000110781FED0100011078120000920d1991----km-y0itay50------baengConceptual Problems of Quantum GravityBased on the Proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts, 15-19 May 1988Edited by Abhay Ashtekar and John StachelBoston [etc.]Birkhauser1991Einstein Studies2Sponsored by the Boston University Center for Einstein StudiesRelativitàGravità530.11Ashtekar,Abhay45589Stachel,JohnITUNINARICAUNIMARCBK99000110781040332123-20718295FI1FI1Conceptual problems of quantum gravity186638UNINAING01