-
1
String theory and quantum gravity proceedings of the Trieste Spring School, 23 April-1 May 1990
Foilsithe / Cruthaithe 1991LEABHAR -
2
Superstrings '87 proceedings of the Trieste Spring School, 1- 11 April 1987
Foilsithe / Cruthaithe 1987LEABHAR -
3


