@inbook {2060,
	title = {Designing Item Pools for Adaptive Testing},
	booktitle = {Elements of Adaptive Testing},
	year = {2010},
	pages = {231-245},
	chapter = {12},
	doi = {10.1007/978-0-387-85461-8},
	author = {Veldkamp, B. P. and van der Linden, W. J.}
}
