Rischia, Irene, Marco Di Leginio, Fiorenzo Fumanti, Paolo Giandon, Silvia Obber, and Ialina Vinci. “Environmental Indicators for Italian Soils (SIAS Project): Development of a New Approach from Regional to Harmonised National Data”. Italian Journal of Agronomy 5, no. s3 (October 7, 2010): 103–107. Accessed April 23, 2024. https://www.agronomy.it/agro/article/view/ija.2010.s3.103.