@misc{influence+of+higher+harmonics+on+losses+in+induction+machines,
    author = {Lerch, Tomasz i Rad, Michał},
    title = {Influence of higher harmonics on losses in induction machines},
    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. 3-E}
}