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C. Brink and P. Heisig, “Analysis of Changes in Product Families Taking into Account the Combination of Hardware and Software Variants,” in Proceedings of the Dagstuhl Workshop MBEES: Model-Based Development of Embedded Systems XII, Munich: Fotiss GmbH, 2016, pp. 50–59. Available: https://download.fortiss.org/public/mbees/mbees2016_proceedings.pdf