@booklet {1335,
	title = {Feasibility studies of two-stage testing in large-scale educational assessment: Implications for NAEP},
	year = {1998},
	address = {American Institutes for Research, CA},
	author = {Bock, R. D. and Zimowski, M. F.}
}
@booklet {1589,
	title = {Full-information item factor analysis from the ASVAB CAT item pool (Methodology Research Center Report 87-1)},
	year = {1987},
	address = {Chicago IL: University of Chicago},
	author = {Zimowski, M. F. and Bock, R. D.}
}
