@conference {1231,
	title = {Multidimensional IRT-based adaptive sequential mastery testing},
	booktitle = {Paper presented at the Annual Meeting of the National Council on Measurement in Education},
	year = {2001},
	address = {Seattle WA},
	author = {Vos, H. J. and Glas, C. E. W.}
}
@article {755,
	title = {Detection of known items in adaptive testing with a statistical quality control method},
	journal = {Journal of Educational and Behavioral Statistics},
	volume = {25},
	year = {2000},
	pages = {373-389},
	author = {Veerkamp, W. J. J. and Glas, C. E. W.}
}
