Mattetti, M., M. Varani, M. Maraldi, F. Paolini, S. Fiorati, and G. Molari. “Tractive Performance of Trelleborg PneuTrac Tyres”. Journal of Agricultural Engineering, vol. 51, no. 2, June 2020, pp. 100-6, doi:10.4081/jae.2020.1031.