@ARTICLE{Knaga_Jarosław_Analysis_2011,
 author={Knaga, Jarosław and Szul, Tomasz},
 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={Analysis Of Water-Water Type Heat Pump Operation In A Building Object},
}