1. Drezner Z (1986) Location of regional facilities. Naval Res Logist Quart 33:523–529
2. Francis Rl, White JA (1974) Facility layout and location: An analytical approach. Prentice Hall, Englewood Cliffs, NJ
3. Francis Rl, McGinnis LF, White JA (1992) Facility layout and location: An analytical approach. Prentice Hall, Englewood Cliffs, NJ
4. Heragu SS (1997) Facilities design. PWS publishing company, a division of International Thomson Publishing Inc. Boston
5. Uster H, Love RF (2000) The convergence of the Weiszfeld algorithm. Management Science/Information Systems Area