Title	Effective Algorithm CFL Based on Steiner Tree and UFL Problem
Author	Hong-Zhen Zheng, Dian-Hui Chu, De-Chen Zhan
Citation	Vol. 6  No. 9  pp. 24-27
Keywords	UFL, Steiner tree, CFl, network design

Title	Practical Large-Scale Network Design with Variable Costs for Links and Switches
Author	Vic Grout, Stuart Cunningham, Rich Picking
Citation	Vol. 7  No. 7  pp. 113-125
Keywords	Algorithms and heuristics, Large-scale network design, Optimisation, Variable costs