@misc{the+identification+of+hazards+concerning+the+character+of+construction+works+on+railway+sites+in+poland,
    author = {Połoński, Mieczysław i Kowalski, Jan},
    title = {The identification of hazards concerning the character of construction works on railway sites in Poland},
    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. 5}
}