String Theory and Quantum Gravity, Proceedings of the Trieste Spring School, 23 April - 1 May, 1990.
Green, M.
String Theory and Quantum Gravity, Proceedings of the Trieste Spring School, 23 April - 1 May, 1990. - Singapore World Scientific 1991 - .
9810203721
String Theory and Quantum Gravity, Proceedings of the Trieste Spring School, 23 April - 1 May, 1990. - Singapore World Scientific 1991 - .
9810203721