@ARTICLE{Partyka_Julian_Power_2003,
 author={Partyka, Julian},
 number={No 4},
 journal={Archives of Mining Sciences},
 pages={503-520},
 howpublished={online},
 year={2003},
 publisher={Committee of Mining PAS},
 type={article},
 title={Power cycle of an underground loader},
 URL={http://journals.pan.pl/Content/132144/PDF/7_MINING_48_4_2003_Partyka_Power.pdf},
}