@conference {837,
	title = {Effects of nonequivalence of item pools on ability estimates in CAT},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2000},
	note = {PDF file, 657 K},
	address = {New Orleans LA},
	author = {Ban, J. C. and Wang, T. and Yi, Q. and Harris, D. J.}
}
