Application of a real-world university-course timetabling model solved by integer programming. - Katja Schimmelpfeng; Stefan Helber (OR Spectr., 2007)

Using linear programming to analyze and optimize stochastic flow lines. - Stefan Helber; Katja Schimmelpfeng; Raik Stolletz; Svenja Lagershausen (Ann. Oper. Res., 2011)

Decision support for rehabilitation hospital scheduling. - Katja Schimmelpfeng; Stefan Helber; Steffen Kasper (OR Spectr., 2012)

Dynamic capacitated lot sizing with random demand and dynamic safety stocks. - Stefan Helber; Florian Sahling; Katja Schimmelpfeng (OR Spectr., 2013)