@booklet {1549,
	title = {Multidimensional adaptive testing with constraints on test content (Research Report 00-11)},
	year = {2000},
	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.}
}
