. "1996-06-27" . . . . . . "12193635"^^ . . . . . . "1973"^^ . . . "University of Western Ontario. Conference. London, Canada (1973 ; London, Canada)"@fr . . "University of Western Ontario. Conference (1973)"@fr . . "University of Western Ontario. Conference (1973)"@fr . "1991-03-23" . . . "1973"^^ . .