Wenke, D., Frensch, P. A., & Funke, J. (2005). Complex problem solving and intelligence:
Empirical relation and causal direction. In R. J. Sternberg, J. E. Davidson, & J. Pretz (Eds.),
Cognition and Intelligence: Identifying the mechanisms of the mind (pp. 160-187). Cambridge:
MA: Cambridge University Press.