@inbook {1925,
	title = {Cross-validating item parameter estimation in adaptive testing},
	year = {2000},
	address = {A. Boorsma, M. A. J. van Duijn, and T. A. B. Snijders (Eds.) (pp. 205-219), Essays on item response theory. New York: Springer.},
	author = {van der Linden, W. J. and Glas, C. A. W.}
}
