@ARTICLE{Filek_Krzysztof_The_2001, author={Filek, Krzysztof and Nowak, Bernard and Roszkowski, Janusz}, number={No 4}, journal={Archives of Mining Sciences}, pages={469-480}, howpublished={online}, year={2001}, publisher={Committee of Mining PAS}, type={Article}, title={The power of coolers operating indirectly in unsteady states}, URL={http://ochroma.man.poznan.pl/Content/132263/PDF-MASTER/7_MINING_46_4_2001_Filek_POWER.pdf}, }