@ARTICLE{Celadyn_Wacław_Energy_2012,
 author={Celadyn, Wacław},
 number={No 3},
 journal={Kwartalnik Architektury i Urbanistyki},
 howpublished={online},
 year={2012},
 publisher={Komitet Architektury i Urbanistyki PAN},
 title={Energy in architecture},
}