@misc{air+shafts+in+the+interwar+period+buildings+as+a+prototype+idea+of+the+ground+heat+exchanger,
    author = {Bąkowski, Tymoteusz},
    title = {Air-shafts in the interwar period buildings, as a prototype idea of the ground heat exchanger},
    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. 5-B}
}