@misc{simulation+studies+on+ring+upsetting+using+the+abaqus+software,
    author = {Lisowski, Edward i Okoński, Stanisław i Czyżycki, Wojciech},
    title = {Simulation studies on ring upsetting using the ABAQUS software},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 10}
}