@conference {1021,
	title = {Impact of item location effects on ability estimation in CAT},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2001},
	note = {$\#$LI01-01},
	address = {Seattle WA},
	author = {Liu, M. and Zhu, R. and Guo, F.}
}
