Agent-based analysis of picker blocking in manual order picking systems: effects of routing combinations on throughput time. - Ralf Elbert; Torsten Franzke; Christoph H. Glock; Eric H. Grosse (WSC, 2015)

The effects of human behavior on the efficiency of routing policies in order picking: The case of route deviations. - Ralf Elbert; Torsten Franzke; Christoph H. Glock; Eric H. Grosse (Comput. Ind. Eng., 2017)

Maverick picking: the impact of modifications in work schedules on manual order picking processes. - Christoph H. Glock; Eric H. Grosse; Ralf Elbert; Torsten Franzke (Int. J. Prod. Res., 2017)