Ulrik H. Hjort Jacob Illum Rasmussen Kim Guldstrand Larsen Michael A. Petersen Arne Skou Model-Based GUI Testing Using Uppaal at Novo Nordisk. 814-818 2009 FM http://dx.doi.org/10.1007/978-3-642-05089-3_53 conf/fm/2009 db/conf/fm/fm2009.html#HjortRLPS09