@misc{modeling+of+stress+state+in+thick+walled+pressure+element+based+on+european+standards+and+proposed+creep+equation,
    author = {Duda, Piotr i Felkowski, Łukasz},
    title = {Modeling of stress state in thick walled pressure element based on European Standards and proposed creep equation},
    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. 7-B}
}