@misc{shear+capacity+of+prestressed+hollow+core+slabs+on+flexible+supports,
    author = {Derkowski, Wit i Surma, Mateusz},
    title = {Shear capacity of prestressed hollow core slabs on flexible supports},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2013},
    number = {Y. 110, iss. 2-B}
}