Wandersee, J. H. Making high-tech micrographs meaningful to the biology student. In Fensham, P. Gunstone, R. & White, R., Eds. (1994). The content of science. Washington, D. C.: The Falmer Press, pp. 161-176.

West, L. H. T. & Pines, A. L. (1985). Cognitive structure and conceptual change. New York: Academic Press.