@inbook {414, title = {Item selection in polytomous CAT}, booktitle = {New developments in psychometrics}, year = {2003}, pages = {207{\textendash}214}, publisher = {Psychometric Society, Springer}, organization = {Psychometric Society, Springer}, address = {Tokyo, Japan}, keywords = {computerized adaptive testing}, author = {Veldkamp, B. P.}, editor = {A. Okada and K. Shigenasu and Y. Kano and J. Meulman} }