String Theory and Quantum Gravity:Proceedings of the Trieste Spring School Trieste, Italy, 23 April – 1 May 1990 Book Discussion
String Theory and Quantum Gravity:Proceedings of the Trieste Spring School Trieste, Italy, 23 April – 1 May 1990
by
String Theory and Quantum Gravity:Proceedings of the Trieste Spring School Trieste, Italy, 23 April – 1 May 1990