@misc{Sawik_Tadeusz_District,
 author={Sawik, Tadeusz},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={District heating network topology and capacity expansion planning model},
 type={artykuł},
 keywords={Politechnika Śląska, automatyka},
}