@booklet {1427,
	title = {An empirical study of a broad range test of verbal ability},
	year = {1980},
	address = {Princeton NJ: Educational Testing Service},
	author = {Kreitzberg, C. B. and Jones, D. J.}
}
@article {602,
	title = {Computerized adaptive testing: Principles and directions},
	journal = {Computers and Education},
	volume = {2},
	year = {1978},
	pages = {319-329},
	author = {Kreitzberg, C. B. and Stocking, M., and Swanson, L.}
}
@article {601,
	title = {Computerized adaptive testing: Principles and directions},
	journal = {Computers and Education},
	volume = {2 (4)},
	year = {1978},
	pages = {319-329},
	author = {Kreitzberg, C. B.}
}
