00910nam0-22003011i-450-9900009858904033210-521-24732-2000098589FED01000098589(Aleph)000098589FED0100009858920000920d1982----km-y0itay50------baengQuantum Structure of Space and TimeProceedings of the Nuffield workshop, Imperial College, London 3-21 August, 1981Edited by M.J. Duff and C.J. IshamCambridgeCambridge University Press1982RelativitàGravità530.11Duff,M.J.346120Isham,Chris J.ITUNINARICAUNIMARCBK99000098589040332123-12912391FI1FI1Quantum Structure of Space and Time353607UNINAING01