The two messages of complexity theories and their implications to the study of society: Comments by J. Portugali on the Visioneer white papers by D. Helbing and S. Balietti
Eur. Phys. J. Special Topics, 195 (2011) 153-158
Published online: 30 May 2011
DOI: 10.1140/epjst/e2011-01407-2