@inbook {1942,
	title = {Obtaining reliable diagnostic information through constrained CAT},
	year = {2009},
	note = {{PDF File, 252 KB}},
	address = {D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing.},
	author = {Wang, C. and Chang, Hua-Hua and Douglas, J.}
}
