Bruni, Luigino and Smerilli, Alessandra (2010): Cooperation and diversity. An evolutionary approach. Unpublished.
Reggiani, Tommaso (2006): Premio Nobel al Microcredito. Published in: Aggiornamenti Sociali , Vol. Vol. 12/2006, December 2006, (01. December 2006): pp. 823-833.
