A method to estimate the demand for freight transport in absence of historical data. A case study of the Oder WaterwayLudmiła Filina-Dawidowicz, Izabela Kotowska, Marta Mańkowska and Michał PlucińskiSHS Web Conf., 58 (2018) 01009DOI: https://doi.org/10.1051/shsconf/20185801009