Scarascia-Mugnozza, Giacomo, Carmela Sica, and Giovanni Russo. “PLASTIC MATERIALS IN EUROPEAN AGRICULTURE: ACTUAL USE AND PERSPECTIVES”. Journal of Agricultural Engineering 42, no. 3 (June 22, 2012): 15-28. Accessed July 6, 2020. https://agroengineering.org/index.php/jae/article/view/jae.2011.3.15.