@misc{irregularity+of+run+in+mechanically+balanced+drives+the+perspectives+of+hybrid+balancing,
    author = {Iskra, Antoni i Babiak, Maciej i Kałużny, Jarosław},
    title = {Irregularity of run in mechanically balanced drives – the perspectives of hybrid balancing},
    journal = {Czasopismo Techniczne. Mechanika},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2012},
    number = {R. 109, Z. 8, 3-M}
}