@conference {1084,
	title = {Nearest neighbors, simple strata, and probabilistic parameters: An empirical comparison of methods for item exposure control in CATs},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2001},
	address = {Seattle WA},
	author = {Parshall, C. G. and Kromrey, J. D. and Harmes, J. C. and Sentovich, C.}
}
