1. Czyzyk, J., Mesnier, M., Moré, J.: The NEOS server. IEEE J. Comput. Sci. Eng. 5(3), 68–75 (1998)
2. De Koster, R., Le-Duc, T., Roodbergen, K.J.: Design and control of warehouse order picking: a literature review. Eur. J. Oper. Res. 182(2), 481–501 (2007)
3. Dolan, E.: The NEOS server 4.0 administrative guide. Technical Memorandum ANL/MCS-TM-250. Mathematics and Computer Science Division. Argonne National Laboratory, Argonne (2001)
4. Fourer, R., Gay, D.M., Kernighan, B.W.: AMPL - A Modeling Language for Mathematical Programming. Thomson/Brooks/Cole, Pacific Grove (2003)
5. Frazelle, E.: World-Class Warehousing and Material Handling. McGraw-Hill, New York (2001)