@misc{pre+stressed+concrete+railway+sleepers+type+b70w+60+requirements+technology+of+production+numerical+modelling+and+calculations+of+immediate+technological+shortening,
    author = {Betlej, Michał i Ciurej, Henryk i Chudyba, Łukasz},
    title = {Pre-stressed concrete railway sleepers type B70W-60: requirements, technology of production, numerical modelling and calculations of immediate technological shortening},
    journal = {Archives of Civil Engineering},
    address = {Warsaw},
    publisher = {Warsaw University of Technology. Faculty of Civil Engineering i Polish Academy of Sciences. Committee for Civil and Water Engineering},
    date = {2026},
    number = {vol. 72, iss. 2},
    ISSN = {1230-2945}
}