5/26/2018 UPSOptimizesItsAirNetwork-slidepdf.com http://slidepdf.com/reader/full/ups-optimizes-its-air-network 1/11 UPS Optimizes Its Air Network Armacost, Andrew P;Barnhart, Cynthia;Ware, Keith A;Wilson, Alysia M Interfaces; Jan/Feb 2004; 34, 1; ABI/INFORM Global pg. 15