Title: Biblio RTF Export
Author: Biblio 7.x

Huitzing, H. A., Veldkamp, B. P., & Verschoor, A. J..  (2005).  Infeasibility in automated test assembly models: A comparison study of different methods. Journal of Educational Measurement, 42, 223-243.

Chang, H. - H., & van der Linden, W. J..  (2003).  Optimal stratification of item pools in ?-stratified computerized adaptive testing. Applied Psychological Measurement, 27, 262-274.