@article {681,
	title = {Evaluation of selection procedures for computerized adaptive testing with polytomous items},
	journal = {Applied Psychological Measurement},
	volume = {26},
	year = {2002},
	pages = {393-411},
	author = {van Rijn, P. W. and Theo Eggen and Hemker, B. T. and Sanders, P. F.}
}
