Design of the measuring device of the agricultural tractor´s external hydraulic circuitJuraj Jablonický, Peter Kožuch, Jozef Nosian, Juraj Tulík, Jerzy Kaszkowiak and Marcin ZastempowskiMATEC Web Conf., 338 (2021) 01011DOI: https://doi.org/10.1051/matecconf/202133801011