@conference {1278,
	title = {a-stratified CAT design with content-blocking},
	booktitle = {Paper presented at the Annual Meeting of the Psychometric Society},
	year = {2001},
	note = {{PDF file, 410 KB}},
	address = {King of Prussia, PA},
	author = {Yi, Q. and Chang, Hua-Hua}
}
