Isham, C.J. Quantum gravity 2 : A second oxford symposium / by C.J. Isham, R. Penrose and D.W. Sciama - London: Oxford University Press, 1981. - xiv, 669p. ISBN: 0198519524 Subjects--Topical Terms: PhysicsQuantum gravitySpace timeUniverse Dewey Class. No.: 531.5 / ISH/Q