@inbook {1792,
	title = {Evaluating item calibration medium in computerized adaptive testing},
	year = {1997},
	address = {W.A. Sands, B.K. Waters and J.R. McBride, Computerized adaptive testing: From inquiry to operation (pp. 161-168). Washington, DC: American Psychological Association.},
	author = {Hetter, R. D. and Segall, D. O. and Bloxom, B. M.}
}
