@misc{determination+of+harmonics+in+current+of+the+power+supply+of+undeground+railway+traction+vehicle,
    author = {Zając-Domański, Waldemar i Włodarczyk, Jakub i Popczyk, Marek},
    title = {Determination of harmonics in current of the power supply of undeground railway traction vehicle},
    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}
}