edited by Günter Bamberg, Otto Opitz

Verlagsgruppe Athenäum, Hain, Scriptor, Hanstein , Oelgeschlager, Gunn & Hain c1981 Methods of operations research 43, 44

part 1, sections 1-3 : gw , part 1, sections 1-3 : us , part 2, sections 4-6 : gw , part 2, sections 4-6 : us

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