@misc{mathematical+modeling+of+the+overhead+contact+line+for+the+purpose+of+diagnostics+of+pantographs,
    author = {Judek, Sławomir i Kaczmarek, Paweł i Michna, Michał i Mizan, Mirosław i Karwowski, Krzysztof i Wilk, Andrzej},
    title = {Mathematical modeling of the overhead contact line for the purpose of diagnostics of pantographs},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2016},
    number = {Y. 113, iss. 1-E}
}