TY - JOUR T1 - Implementing Three CATs Within Eighteen Months JF - Journal of Computerized Adaptive Testing Y1 - 2018 A1 - Christian Spoden A1 - Andreas Frey A1 - Raphael Bernhardt VL - 6 UR - http://iacat.org/jcat/index.php/jcat/article/view/70/33 IS - 3 ER -