@conference {941,
	title = {Detecting exposed test items in computer-based testing},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2004},
	note = {{PDF file, 1.245 MB}},
	address = {San Diego CA},
	author = {Han, N. and Hambleton, R. K.}
}
@booklet {1394,
	title = {Using moving averages to assess test and item security in computer-based testing (Center for Educational Assessment Research Report No 468)},
	year = {2003},
	address = {Amherst, MA: University of Massachusetts, School of Education.},
	author = {Han, N.}
}
