AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Bloor David . 1991. Knowledge and social imagery. Chicago: The University of Chicago Press.2. Bloor David . 1996. The conservative constructivist. History of the Human Sciences 10 (1): 123-125.3. Kuhn Thomas . 2000. The road since Structure. Chicago: The University of Chicago Press.