1. Bosonization of the SU(N) Thirring models;Banks;Nuclear Phys.,1976
2. Vertex algebras, Kac-Moody algebras, and the Monster;Borcherds,1986
3. The operator algebra of orbifold models;Dijkgraaf;Comm. Math. Phys.,1989
4. Strings and orbifolds;Dixon;Nuclear Phys.,1985
5. Strings and orbifolds, II;Dixon;Nuclear Phys.,1985