Eriks Klotins Michael Unterkalmsteiner Tony Gorschek 44-52 2018 35 IEEE Softw. 4 https://doi.org/10.1109/MS.2018.2801548 http://doi.ieeecomputersociety.org/10.1109/MS.2018.2801548 db/journals/software/software35.html#KlotinsUG18