@ARTICLE{Pirowski_Zenon_Performance_2012, author={Pirowski, Zenon and Kranc, Marek and Olszyński, Jerzy and Gwiżdż, Andrzej and Gościański, Marek}, 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={Performance testing of cast agricultural tools operating in soil}, }