Ulbrich, Alexander; Galka, Stefan; Günthner, Willibald A. - Technische Universität <München> / Lehrstuhl für … - 2007
Rough planning of multi-level order-picking systems is a very diffivult job because you have to consider a great number of versions. The planner has to decide on the basis of his experience, which systems will perform services best. In the early stage of development he cannot supply evidence...