*  Novak, J. D. (1988). Learning, Creating, and Using Knowledge: Concept Maps as Facilitative Tools in Schools and Corporations. Mahwah, N.J.: Lawrence Erlbaum & Assoc

*	Novak, J. D., & Gowin, D. B. (1984). Learning How to Learn. New York: Cambridge University Press. 

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More info at http://www.scholars.psu.edu/NewInnovations/ka-novak.htm

This seems to be broken.  Try http://www.psu.edu/eis/html/concept_mapping_resources.html ?

Or what the heck, http://www.google.com/search?hl=en&q=Novak+Concept+Map
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See also ConceptMap