The impact of reserve duties on the robustness of a personnel shift roster: An empirical investigation. - Jonas Ingels; Broos Maenhout (Comput. Oper. Res., 2015)

A Memetic Algorithm to Maximise the Employee Substitutability in Personnel Shift Scheduling. - Jonas Ingels; Broos Maenhout (EvoCOP, 2017)

Employee substitutability as a tool to improve the robustness in personnel scheduling. - Jonas Ingels; Broos Maenhout (OR Spectr., 2017)

The impact of overtime as a time-based proactive scheduling and reactive allocation strategy on the robustness of a personnel shift roster. - Jonas Ingels; Broos Maenhout (J. Sched., 2018)