@booklet {1349,
	title = {Exploring the relationship between item exposure rate and test overlap rate in computerized adaptive testing (ACT Research Report series 99-5)},
	year = {1999},
	note = {(also National Council on Measurement in Education paper, 1999).},
	address = {Iowa City IA: ACT, Inc},
	author = {Chen, S-Y. and Ankenmann, R. D. and Spray, J. A.}
}
