00785cam a2200229 7i4500 0000002264 20080417090000.0 20000419000000.0 080417 xx 00010 eng 9810203721 NM DLC QC794.6.S85 T75 1990 Trieste Spring School String theory and quantum gravity : proceedings of the Trieste Spring School, 23 April - 1 May 1990 edited by M. Green...[et al.]. Singapore: World Scientific, 1991. vii, 173p.; 22cm. Includes bibliographical references String models -- Congresses Quantum gravity -- Congresses Green, M. BP00002895 Book Open Shelf HQ Library