@misc{Gaj_Patryk_Influence,
 author={Gaj, Patryk and Kopania, Joanna},
 howpublished={online},
 publisher={Politechnika Łódzka},
 publisher={Lodz University of Technology},
 language={eng},
 type={artykuł},
 title={Influence of geometry of channel on the flow noise parameters},
 keywords={HVAC, noise emission, shape duct, insertion loss},
}