TY - JOUR A1 - Schimmelpfeng, Katja A1 - Helber, Stefan T1 - Application of a real-world university-course timetabling model solved by integer programming JF - Operations Research Spectrum Y1 - 2007 SN - 0171-6468 VL - 29 IS - 4 SP - 783 EP - 803 ER - TY - JOUR A1 - Schimmelpfeng, Katja A1 - Helber, Stefan T1 - Logistische Kennlinien für Fließproduktionssysteme JF - Industrie Management Y1 - 2007 SN - 1434-1980 VL - 23 IS - 5 SP - 23 EP - 26 ER - TY - CHAP A1 - Helber, Stefan A1 - Schimmelpfeng, Katja A1 - Stolletz, Raik T1 - First Results on setting inventory levels of CONWIP flow lines via linear programming Y1 - 2009 ER - TY - GEN A1 - Helber, Stefan A1 - Schimmelpfeng, Katja A1 - Stolletz, Raik A1 - Lagershausen, Svenja T1 - Using linear programming to analyze and optimize stochastic flow lines Y1 - 2011 ER - TY - GEN A1 - Helber, Stefan A1 - Schimmelpfeng, Katja A1 - Stolletz, Raik T1 - Setting inventory levels of CONWIP flow lines via linear programming Y1 - 2011 ER - TY - CHAP A1 - Helber, Stefan A1 - Sahling, Florian A1 - Schimmelpfeng, Katja T1 - Dynamic capacitated lot sizing with random demand subject to a backlog waiting-time oriented ?-service level measure Y1 - 2011 ER - TY - CHAP A1 - Helber, Stefan A1 - Sahling, Florian A1 - Schimmelpfeng, Katja T1 - First results on dynamic capacitated lot sizing with random demand and dynamic safety stocks Y1 - 2011 ER -