TY - JOUR AU - Dennis Wolters AU - Christian Gerth AU - Gregor Engels TI - Visual Requirements Modeling for Cross-Device Systems JO - Computer Science and Information Systems PY - 2017 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2017_14_2_a11/ ID - CSIS_2017_14_2_a11 ER -