“Spatial nodes” in discrete location problems P. B. MirchandaniJ. M. Reilly Locations With Spatial Nodes And Continuous Link Demands Pages: 201 - 222
Locating the two-median of a tree network with continuous link demands M. L. BrandeauS. S. ChiuR. Batta Locations With Spatial Nodes And Continuous Link Demands Pages: 223 - 253