@ARTICLE{Malaga-Toboła_Urszula_Operating_2011,
 author={Malaga-Toboła, Urszula},
 number={No 11c},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2011},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Operating Costs Of Farm Buildings In Selected Ecological Holdings},
}