@misc{Michalak_Piotr_Temperature,
 author={Michalak, Piotr and Grygierczyk, Stanisław},
 address={Koszalin},
 howpublished={online},
 publisher={Publishing House of the Koszalin University of Technology},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Temperature efficiency of heat exchangers in air handling units},
 keywords={ventilation, heat recovery, rotary heat exchanger, cross-flow heat exchanger, temperature efficienc, PN-EN 308},
}