Hanif D. Sherali Intesar Al-Loughani Shivaram Subramanian Global Optimization Procedures for the Capacitated Euclidean and <i>l<sub>p</sub></i> Distance Multifacility Location-Allocation Problems. 433-448 2002 50 Operations Research 3 http://dx.doi.org/10.1287/opre.50.3.433.7739 db/journals/ior/ior50.html#SheraliAS02