Universal equipment for determining traction resistance of working bodies and their combinations designed for soil treatmentMaxim P. Erzamaev, Dmitry S. Sazonov, Alexander E. Afonin, Leila S. Kurmanova and Evgeny S. NesterovBIO Web Conf., 17 (2020) 00010DOI: https://doi.org/10.1051/bioconf/20201700010