@inbook {1863,
	title = {Validity and decision issues in selecting a CAT measurement model},
	year = {2007},
	note = {{PDF file, 977 KB}},
	address = {D. J. Weiss (Ed.). Proceedings of the 2007 GMAC Conference on Computerized Adaptive Testing.},
	author = {Olsen, J. B. and Bunderson, C. V}
}
