@inbook {1741,
	title = {Optimizing item exposure control algorithms for polytomous computerized adaptive tests with restricted item banks},
	year = {2009},
	note = {{PDF File, 923 KB}},
	address = {D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing.},
	author = {Chajewski, M. and Lewis, C.}
}
