Measuring the Overall Complexity of Graphical and Textual IEC 61131-3 Control Software. - Juliane Fischer; Birgit Vogel-Heuser; Heiko Schneider; Nikolai Langer; Markus Felger; Matthias Bengel (IEEE Robotics Autom. Lett., 2021)

Towards automatic generation of functionality semantics to improve PLC software modularization. - Jan Wilch; Juliane Fischer; Nikolai Langer; Markus Felger; Matthias Bengel; Birgit Vogel-Heuser (Autom., 2022)