@misc{operational+problems+of+tramway+infrastructure+in+sharp+curves,
    author = {Czyczuła, Włodzimierz i Rochel, Maciej},
    title = {Operational problems of tramway infrastructure in sharp curves},
    journal = {Technical Transactions},
    address = {Warsaw},
    publisher = {Sciendo},
    date = {2021},
    number = { Vol. 118, iss. 1}
}