@conference {1171,
	title = {Updated item parameter estimates using sparse CAT data},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2002},
	note = {{PDF file, 986 KB}},
	address = {New Orleans LA},
	author = {Smith, R. L. and Rizavi, S. and Paez, R. and Rotou, O.}
}
