Special Issue: 2002 Franz Edelman Award for Achievement in Operations Research and the Management Sciences: Combinatorial and Quantity-Discount Procurement Auctions Benefit Mars, Incorporated and Its Suppliers. - Gail Hohner; John Rich; Ed Ng; Grant Reid; Andrew J. Davenport; Jayant R. Kalagnanam; Ho Soo Lee; Chae An (Interfaces, 2003)