Agassounon, W.Martinoli, A.2004-11-042004-11-042004-11-04200210.1109/ICSMC.2002.1173419https://infoscience.epfl.ch/handle/20.500.14299/172211A Macroscopic Model of an Aggregation Experiment using Embodied Agents in Groups of Time-Varying Sizestext::conference output::conference proceedings::conference paper