A Tabu Search Heuristic for Redesigning a Multi-echelon Supply Chain Network over a Planning Horizon
Márcio T. Melo, Stefan Nickel, Francisco Saldanha-da-Gama
International Journal of Production Economics, vol. 136, 2012, p. 218-230.

Hub Location under Uncertainty
Stefan Nickel, Francisco Saldanha-da-Gama, Sibel A. Alumur
Transportation Research: Part B, vol. 46, 2012, p. 529-543.

Single-Assignment Hub Location Problems with Multiple Capacity Levels
Isabel Cristina Correia, Stefan Nickel, Francisco Saldanha-da-Gama
Transportation Research: Part B, vol. 44, 2010, p. 1047-1066.