@conference {1013,
	title = {Increasing the homogeneity of CAT{\textquoteright}s item-exposure rates by minimizing or maximizing varied target functions while assembling shadow tests},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {2003},
	note = {(PDF file, 418 K},
	address = {Chicago IL},
	author = {Li, Y. H. and Schafer, W. D.}
}
