Lian Yu Wenping Xiao Chang Yan Chi Lin Ma Hui Su Test Case Generation for Collaborative Real-time Editing Tools. 509-516 2007 conf/compsac/2007 COMPSAC (1) http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2007.208 db/conf/compsac/compsac2007-1.html#YuXCMS07