1. Hoffman, Eric, Pronovost, Denyse, Charron, Dominique and Francoeur, Eric. 1988. Preliminary versions of this article were presented at the 56th Annual Meeting of the Association Canadienne-Française pour l′Avancement des Sciences. May8-131988, Moncton, New Brunswick. Research for this article was made possible by a grant from the Actions structurantes program of the Ministere de llEnseignement superieur et de la Science (Government of Quebec), and by a contract from the Centre quebecois de valorisation de la biomasse (CQVB). We would like to thank Adele Clarke for her very thoughtful comments on an earlier version of this article and Peter Keating for revising the draft.at Agriculture Canada's Workshop on Genetically Modified Fertilizers and Pest Control Agents (Ottawa, 20-21 March, 19913), at the Conference on Risks, Risk Research and Scientific Controversies (Ystad, Sweden, 3-4 June, 1991), and at the International Colloquium 'Issues and Methods: The Social Mastery of Technology (Lyon, 9-1 2 September 1991)
2. Mazur, A. 1981.The Dynamics of Technical Controversy, 129Washington, DC: Communications Press.