European Society of Toxicology. Meeting & Leonard, B. J. (1978). Toxicological aspects of food safety: Proceedings of the European Society of Toxicology Meeting held in Copenhagen, June 19-22, 1977. Springer-Verlag.

European Society of Toxicology. Meeting and B. J. Leonard. Toxicological Aspects of Food Safety: Proceedings of the European Society of Toxicology Meeting Held in Copenhagen, June 19-22, 1977. Berlin ; New York: Springer-Verlag, 1978.

European Society of Toxicology. Meeting and B. J. Leonard. Toxicological Aspects of Food Safety: Proceedings of the European Society of Toxicology Meeting Held in Copenhagen, June 19-22, 1977. Springer-Verlag, 1978.