@conference {994,
	title = {A new item selection procedure for mixed item type in computerized classification testing},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {2000},
	note = {{PDF file, 452 KB}},
	address = {New Orleans},
	author = {Lau, C. and Wang, T.}
}
@conference {1242,
	title = {Essentially unbiased Bayesian estimates in computerized adaptive testing},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {1998},
	address = {San Diego},
	author = {Wang, T. and Lau, C. and Hanson, B. A.}
}
