@conference {1000,
	title = {An examination of item selection rules by stratified CAT designs integrated with content balancing methods},
	booktitle = {Paper presented at the Annual Meeting of the American Educational Research Association},
	year = {2001},
	note = {{PDF file, 296 KB}},
	address = {Seattle WA},
	author = {Leung, C-K.. and Chang, Hua-Hua and Hau, K-T.}
}
