Aleksandra Pawlik Judith Segal Marian Petre 113-119 2012 CHASE https://doi.org/10.1109/CHASE.2012.6223004 https://doi.ieeecomputersociety.org/10.1109/CHASE.2012.6223004 http://dl.acm.org/citation.cfm?id=2663662 conf/icse/2012chase db/conf/icse/chase2012.html#PawlikSP12