@inbook {25,
	title = {The equivalence of Rasch item calibrations and ability estimates across modes of administration},
	booktitle = {Objective measurement: Theory into practice},
	volume = {2},
	year = {1994},
	pages = {122-128},
	publisher = {Ablex Publishing Co.},
	organization = {Ablex Publishing Co.},
	address = {Norwood, N.J. USA},
	keywords = {computerized adaptive testing},
	author = {Bergstrom, Betty A. and Lunz, M. E.}
}
