@misc{characterization+of+shear+stress+distribution+on+a+flat+roof+with+solar+collectors,
    author = {Thiis, Thomas i Ferreira, Almerindo D. i Molnar, Markus i Erichsen, Arnold V.},
    title = {Characterization of shear stress distribution on a flat roof with solar collectors},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2015},
    number = {Y. 112, iss. 2-B}
}