K. Schmid, и H. Eichelberger. Proceedings of the 21st International Systems and Software Product Line Conference - Volume A, стр. 251--251. New York, NY, USA, ACM, (2017)
K. Ježek, и P. Brada. Evaluation of Novel Approaches to Software Engineering, том 275 из Communications in Computer and Information Science, Springer Berlin Heidelberg, (2013)