Dessalles J.L., Ferber J., Phan D. (2008) ""Emergence in Agent based Computational Social Science: conceptual, formal and diagrammatic analysis"" Chapter 9 in Yang A, Shan Y., (Eds). Intelligent Complex Adaptive Systems, Idea Group Inc, ISBN: 978-1-59904-717-1, p.255-299. (contribution au projet COSMAGEMS)