Sandholm, Tuomas. “Expressive Commerce and Its Application to Sourcing: How We Conducted $35 Billion of Generalized Combinatorial Auctions”. AI Magazine 28, no. 3 (September 15, 2007): 45. Accessed April 25, 2024. https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/2054.