Put-Away and Retrieval Optimization Strategies towards Reduction of Blocks Relocations in a Block Storage
L. Li, in: F.-J. Villmer, E. Padoano, Department of Production Engineering and Management (Eds.), Lemgo, 2018, pp. 101–112.

Improving the Productivity of a Man-to-Goods Order Picking System through Optimization of Order Batching
L. Li, L. Schulze, in: E. Padoano, F.-J. Villmer, Department of Production Engineering and Management (Eds.), Production Engineering and Management, Lemgo, 2015, pp. 319–326.