@booklet {1548,
	title = {Designing item pools for computerized adaptive testing (Research Report 99-03 )},
	year = {1999},
	address = {Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis},
	author = {Veldkamp, B. P. and van der Linden, W. J.}
}
