The influence of kinematic viscosity of oils on the energy consumption of a gear pump used for pumping oil in machines and vehicles - Łukasz Warguła; Łukasz Gierz; Olga Zharkevich; Bartosz Wieczorek; Łukasz Wojciechowski; Karolina Perz; Alexandra Berg; Andrey Berg; Darkhan Zhunuspekov; Asset Altynbaev; Piotr Kaczmarzyk; Anna Dziechciarz (PLoS ONE, 2025)