@conference {1283,
	title = {Implementing the a-stratified method with b blocking in computerized adaptive testing with the generalized partial credit model},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {2003},
	note = {$\#$YI03-01 {PDF file, 496 KB}},
	address = {Chicago IL},
	author = {Yi, Q. and Wang, T. and Wang, S}
}
