@misc{evaluation+of+energy+losses+in+dc+railway+traction+power+supply+system,
    author = {Chrabąszcz, Ireneusz i Kierzyk, Maciej i Prusak, Janusz i Boczoń, Krzysztof},
    title = {Evaluation of energy losses in DC railway traction power supply system},
    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. 2-E}
}