TY - JOUR A1 - Ascheuer, Norbert A1 - Grötschel, Martin A1 - Abdel-Hamid, Atef Abdel-Aziz T1 - Order picking in an automatic warehouse T2 - Mathematical Methods of Operations Research Y1 - 1999 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/3122 VL - 49 IS - 3 SP - 501 EP - 515 ER -