CEPA spring conference 1987 Proceedings, CEPA 1987 spring conference : Washington, D.C., June 21 - 23, 1987 1985 Proceedings, CEPA 1985 spring conference : Orlando, Florida, April 22 - 24, 1985 ; CADDmania ; causes and cure 1983 Proceedings, CEPA 1983 spring conference : Ottawa, Ontario, May 1 - 4, 1983 1982 Proceedings, CEPA 1982 spring conference : New Orleans, Louisiana, May 3 - 5, 1982 1979 CEPA conference proceedings : papers presented at CEPA 1979 spring conference ; Montreal, Quebec, May 7 - 9, 1979