%0 Book Section %D 2003 %T Item selection in polytomous CAT %A Veldkamp, B. P. %C H. Yanai, A. Okada, K. Shigemasu, Y Kano, and J. J. Meulman (eds.), New developments in psychometrics (pp. 207-214). Tokyo, Japan: Springer-Verlag. %G eng