1. Albach, M. (2011). Grundlagen der Elektrotechnik 2: Periodische und nicht periodische Signalformen. Pearson Studium.
2. Alpers, B. (2017). Differences between the usage of mathematical concepts in engineering statics and engineering mathematics education. In R. Göller, R. Biehler, R. Hochmuth, & H.-G. Rück (Eds.), Didactics of mathematics in higher education as a scientific discipline—Conference proceedings. khdm-Report 17-05 (pp. 137–141). Universität Kassel.
3. Amelang, M., & Zielinski, W. (2002). Psychologische Diagnostik und Intervention (3rd corrected and actualized edition in cooperation with T. Fydrich & H. Moosbrugger). Springer.
4. Artigue, M., Menigaux, J., & Viennot, L. (1990). Some aspects of students’ conceptions and difficulties about differentials. European Journal of Physics, 11, 262–267.
5. Barquero, B., Bosch, M., & Gascón, J. (2013). The ecological dimension in the teaching of modelling at university level. Recherches en didactique des mathématiques, 33(3), 307–338.