@inbook {1767, title = {Individualized testing on the basis of the Rasch model}, year = {1980}, address = {In J. Th. Van der Kamp, W. F. Langerak, and D. N. M. de Gruijter (Eds.). Psychometrics for educational debates. New York: Wiley.}, author = {Fischer, G. H. and Pendl, P.} }