@ARTICLE { AUTHOR = "Alexandre Bergel and Vanessa Pe{\~n}a", TITLE ="Increasing Test Coverage with Hapao", JOURNAL = "Science of Computer Programming (SCICO)", VOLUME = "79", NUMBER = "1", PAGES = "86-100", MONTH = "Jan", YEAR = "2014", PUBLISHER = "Elsevier Science", ADDRESS = "Amsterdam, The Netherlands", ISSN = "0167-6423" }