Guerrieri, Mirko, Marco Fedrizzi, Francesca Antonucci, Federico Pallottino, Giulio Sperandio, Mauro Pagano, Simone Figorilli, Paolo Menesatti, and Corrado Costa. 2017. “An Innovative Multivariate Tool for Fuel Consumption and Costs Estimation of Agricultural Operations”. Spanish Journal of Agricultural Research 14 (4), e0209. https://doi.org/10.5424/sjar/2016144-9490.