@book{ BA10545861, author = "Trieste Conference on Recent Developments in Conformal Field Theories and Randjbar-Daemi, S. and Sezgin, Ergin and Zuber, Jean Bernard and International Centre for Theoretical Physics and International Atomic Energy Agency and Unesco", title = "Trieste Conference on Recent Developments in Conformal Field Theories : ICTP, Trieste, Italy, October 2-4, 1989", publisher = "World Scientific", year = "1990", URL = "https://ci.nii.ac.jp/ncid/BA10545861" }