Gottschalk S, Rittmeier F, Engels G. Hypothesis-driven Adaptation of Business Models based on Product Line Engineering. In: Proceedings of the 22nd IEEE International Conference on Business Informatics. IEEE; 2020. doi:10.1109/CBI49978.2020.00022

Gottschalk S, Rittmeier F, Engels G. Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach. In: Shishkov B, ed. Business Modeling and Software Design. Lecture Notes in Business Information Processing. Springer International Publishing; 2019:153-169. doi:10.1007/978-3-030-24854-3_10

Rittmeier F, Engels G, Teetz A. Process Weakness Patterns for the Identification of Digitalization Potentials in Business Processes. In: Daniel F, Sheng10.1007/978-3-030-11641-5_42__Quan Z., Motahari H, eds. Business Process Management Workshops. Vol 342. Lecture Notes in Business Information Processing. Cham: Springer International Publishing; 2019:531-542. doi:10.1007/978-3-030-11641-5_42

Senft B, Rittmeier F, Fischer HG, Oberthür S. A Value-Centered Approach for Unique and Novel Software Applications. In: Design, User Experience, and Usability. Practice and Case Studies. Cham; 2019. doi:10.1007/978-3-030-23535-2_27

Fischer HG, Rittmeier F, Strothmann TF, Schwenniger N. Partizipation von Beschäftigten in der Gestaltung einer digitalisierten Arbeitswelt 4.0 mittels einer Canvas-Methode. In: Bosse CK, Zink KJ, eds. Arbeit 4.0 im Mittelstand. Berlin, Heidelberg: Springer Gabler; 2019. doi:10.1007/978-3-662-59474-2_11

Gottschalk S, Rittmeier F, Engels G. Intertwined Development of Business Model and Product Functions for Mobile Applications: A Twin Peak Feature Modeling Approach. In: Hyrynsalmi S, Suoranta M, Nguyen-Duc A, Tyrväinen P, Abrahamsson P, eds. Software Business. Vol 370. Lecture Notes in Business Information Processing. Cham: Springer International Publishing; 2019:192-207. doi:10.1007/978-3-030-33742-1_16

Rittmeier F, Engels G, Teetz A. Digitalisierungspotenziale in Geschäftsprozessen effizient und effektiv erkennen (Effective and Efficient Identification of Digitalization Potentials in Business Processes). In: Joint Proceedings of the Workshops at Modellierung 2018 co-located with Modellierung 2018, Braunschweig, Germany, February 21, 2018. Vol 2060. CEUR Workshop Proceedings. CEUR-WS.org; 2018:215--221.

Fischer HG, Senft B, Rittmeier F, Sauer S. A Canvas Method to Foster Interdisciplinary Discussions on Digital Assistance Systems. In: Marcus A, Wang W, eds. Design, User Experience, and Usability: Theory and Practice. Proceedings of the 20th International Conference on Human-Computer Interaktion (HCI International 2018). Vol 10918. Lecture Notes in Computer Science. Cham: Springer International Publishing; 2018:711-724. doi:10.1007/978-3-319-91797-9_49