Author: Ekkehard Sachs Support2 Ebooks by Ekkehard Sachs Peter Gritzmann & Rainer Hettich: Operations Research ’91 … PDF English DRM €114.69 Peter Gritzmann & Reiner Horst: Recent Advances in Optimization … PDF English DRM €115.37 0 0 Checkout 0,00 × × × Change user language × ArabicGermanEnglishSpanishFrenchHindiIndonesianItalianMalayDutchPolishPortugueseRomanianRussianSwedishThaiTurkishUkrainianVietnameseChineseInternational Modal ×