Proceedings between 1978-1990 Proceedings 1978-79 Proceedings 1979-80a Proceedings 1979-80b Proceedings 1979-80c Proceedings 1979-80d Proceedings 1980-81 Proceedings 1981-82a Proceedings 1981-82b Proceedings 1981-82c Proceedings 1981-82d Proceedings 1982-83 Proceedings 1983-84 Proceedings 1984-85 Proceedings 1985-86 Proceedings 1986-87 and 1987-88 Proceedings 1988-89 and 1989-90
