@misc{feasibility+analysis+of+uprgading+an+old+building+to+the+standard+requirement+of+a+low+energy+requirement+building,
    author = {Jaglarz, Gabriela i Ciesielski, Filip},
    title = {Feasibility analysis of uprgading an old building to the standard requirement of a low energy requirement building},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2014},
    number = {Y. 111, iss. 3-B}
}