1. Interview by Richard Evanoff with Peter Berg of Planet Drumwww.sustainable-city.org/intervws/berg.htm
2. Verso lo sviluppo di sistemi agroalimentari locali sostenibili;Bocchi;Ecoideare,2012
3. Constellations of Public Organic Food Procurement for Youth. An Interdisciplinary Analytical Tool;Nölting,2009
4. A Comparative Study of the Implementation of Organic Food in School Meal Systems in Four European Countries;Nielsen,2009
5. Indicatori agroecologici per l’agricoltura biologica (INDIA);Bocchi;Quaderni della ricerca della Regione Lombardia,2009