Multimodal Express Package Delivery: A Service Network Design Application. - Daeki Kim; Cynthia Barnhart; Keith A. Ware; Gregory R. Reinhardt (Transp. Sci., 1999)

Practice Abstract. - Donald L. Keefer; Andrew P. Armacost; Cynthia Barnhart; Keith A. Ware; Alysia M. Wilson; Wynand C. DuPuy (Interfaces, 2001)

Network Design for Express Shipment Delivery. - Cynthia Barnhart; Niranjan Krishnan; Daeki Kim; Keith A. Ware (Comput. Optim. Appl., 2002)

Composite Variable Formulations for Express Shipment Service Network Design. - Andrew P. Armacost; Cynthia Barnhart; Keith A. Ware (Transp. Sci., 2002)

UPS Optimizes Its Air Network. - Andrew P. Armacost; Cynthia Barnhart; Keith A. Ware; Alysia M. Wilson (Interfaces, 2004)