Rationale for Measurements to be Selected for Tractors to Perform Agricultural Activities Differing in Energy IntensityCamill A. Khafizov, Ramil N. Khafizov, Azat A. Nurmiev and Stanislav A. SinitskyBIO Web Conf., 37 (2021) 00138DOI: https://doi.org/10.1051/bioconf/20213700138