@inbook {1822,
	title = {Limiting item exposure for target difficulty ranges in a high-stakes CAT},
	year = {2009},
	note = {MB}},
	address = {D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. {PDF File, 1.},
	author = {Li, X. and Becker, K. and Gorham, J. and Woo, A.}
}
