Action research as a model for industry-academia collaboration in the software engineering context. - Kai Petersen; Çigdem Gencel; Negin Asghari; Dejan Baca; Stefanie Betz (WISE@ASE, 2014)

An elicitation instrument for operationalising GQM+Strategies (GQM+S-EI). - Kai Petersen; Çigdem Gencel; Negin Asghari; Stefanie Betz (Empir. Softw. Eng., 2015)