00541nam a22001697a 450000500170000000800410001702000180005804100080007608200170008410000150010124500570011626000530017330000170022694200070024399900170025095201040026720260521103652.0260521b        |||||||| |||| 00| 0 eng d  a0 521 24732 2  aeng  a531.5bDUF/Q  aDuff, M. J  aQuantum structure of space and timec/ by M. J. Duff  aGreat Britain bCambridge University Pressc1982  axiii, 432p.   cBK  c47204d47204  001040708NFICaPBBCLbPBBCLcGENd2026-05-21l0o531.5  DUF/Qp59170r2026-05-21w2026-05-21yBK