@inbook {2273,
	title = {Reporting differentiated literacy results in PISA by using multidimensional adaptive testing. },
	booktitle = {Research on PISA.},
	year = {2013},
	publisher = {Dodrecht: Springer},
	organization = {Dodrecht: Springer},
	author = {Frey, A. and Seitz, N-N. and Kr{\"o}hne, U.}
}
