Making World Wide Web Caching Servers Cooperate. - Radhika Malpani; Jacob R. Lorch; David Berger (World Wide Web J., 1996)

Tabu Search for a Network Loading Problem with Multiple Facilities. - David Berger; Bernard Gendron; Jean-Yves Potvin; S. Raghavan; Patrick Soriano (J. Heuristics, 2000)