Tanzirul Azim Iulian Neamtiu Targeted and depth-first exploration for systematic testing of android apps. 641-660 2013 OOPSLA https://doi.org/10.1145/2509136.2509549 https://doi.org/10.1145/2544173.2509549 https://www.wikidata.org/entity/Q131119424 conf/oopsla/2013 db/conf/oopsla/oopsla2013.html#AzimN13