Limin Shen Wenwen Jiang Chunyan Gao Setting and Evaluation of Flexible Points on Software User Interface. 293-298 2007 conf/compsac/2007 COMPSAC (2) http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2007.189 db/conf/compsac/compsac2007-2.html#ShenJG07