On the Approximation of the Substitution Costs for Free/Libre Open Source Software. - Kirsten Haaland; Ioannis Stamelos; Rishab Ghosh; Ruediger Glott (BCI, 2009)

Security measurements within the framework of quality assessment models for free/libre open source software. - Arne-Kristian Groven; Kirsten Haaland; Ruediger Glott; Anna Tannenberg (ECSA Companion Volume, 2010)

Quality Models for Free/Libre Open Source Software Towards the "Silver Bullet"? - Ruediger Glott; Arne-Kristian Groven; Kirsten Haaland; Anna Tannenberg (EUROMICRO-SEAA, 2010)

Managing Risk in Open Source Software Adoption. - Xavier Franch; Angelo Susi; Maria Carmela Annosi; Claudia P. Ayala; Ruediger Glott; Daniel Gross; Ron S. Kenett; Fabio Mancinelli; Pop Ramsamy; Cedric Thomas; David Ameller; Stijn Bannier; et al. (ICSOFT, 2013)

Modelling and Applying OSS Adoption Strategies. - Lidia López; Dolors Costal; Claudia P. Ayala; Xavier Franch; Ruediger Glott; Kirsten Haaland (ER, 2014)

Adoption of OSS components: A goal-oriented approach. - Lidia López; Dolors Costal; Claudia P. Ayala; Xavier Franch; Maria Carmela Annosi; Ruediger Glott; Kirsten Haaland (Data Knowl. Eng., 2015)