Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Mathematische Besliskunde
Combinatorial Optimization and Algorithmics

Fox, B.L, Lenstra, J.K, Rinnooy Kan, A.H.G, & Schrage, L.E. (1977). Branching from the largest upper bound: folklore and facts. Stichting Mathematisch Centrum. Mathematische Besliskunde. Stichting Mathematisch Centrum.