@misc{synchronous+motor+prototype+with+an+external+rotor+using+permanent+magnets,
    author = {Ferková, Želmíra i Kaňuch, Ján},
    title = {Synchronous motor prototype with an external rotor using permanent magnets},
    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. 1-E}
}