@ARTICLE{Izdebski_Waldemar_Hierarchy_2012,
 author={Izdebski, Waldemar and Skudlarski, Jacek and ZajÄ…c, Stanislaw},
 number={No 2},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2012},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Hierarchy of infl uence of modern technical solutions used in agricultural tractors on the eff ectivene ss of their work},
}