T. Turocy, and B. von Stengel. Computational, Discrete and Applicable Mathematics Research Report, 09. London School of Economics and Political Science, Department of Mathematics, (October 2001)
I. Timm, and D. Pawlaszczyk. Proceedings of the Workshop on Agent-based grid Economics (AGE 2005) at the IEEE International Symposium on Cluster Computing and the Grid (CCGRID), Cardiff, UK, Cardiff University, (2005)
M. Roth, R. Simmons, and M. Veloso. Proceedings of the Fourth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS-2005), page 786--793. New York, NY, USA, ACM, (2005)
D. Queiroz. Memórias do WTA'2010 - Quarto Workshop de Tecnologia Adaptativa, page 129--133. São Paulo, Escola Politécnica da Universidade de São Paulo, (2010)