@misc{searching+for+city+centre+of+stalowa+wola,
    author = {Ciepiela, Agnieszka},
    title = {Searching for city centre of Stalowa Wola},
    journal = {IOP Conference Series: Materials Science and Engineering},
    publisher = {IOP Publishing},
    date = {2017},
    number = {Vol. 245  (052018), Session III},
    ISSN = {1757-8981}
}