@ARTICLE{Filek_Krzysztof_Mathematical_2002, author={Filek, Krzysztof and Nowak, Bernard and Roszkowski, Janusz}, number={No 3}, pages={311-331}, journal={Archives of Mining Sciences}, howpublished={online}, year={2002}, publisher={Committee of Mining PAS}, title={Mathematical description of the operation of mining electric air refrigerator}, type={Article}, URL={http://ochroma.man.poznan.pl/Content/132188/PDF-MASTER/3_MINING_47_3_2002_Filek_MATHEMATICAL.pdf}, }