Authors
Jozef Rédl
Slovak University of Agriculture in Nitra, Faculty of Engineering, Institute of Design and Engineering Technologies, Nitra, Slovakia
Grigory Boyko
Volgograd State Technical University, Chair Department of Operation and Maintenance of Automobiles, Volgograd, Russian Federation
Davood Kalantari
Sari Agricultural Sciences and Natural Resources University, Faculty of Agricultural Engineering, Department of Mechanics and Biosystems Engineering, Sari, Iran