Verbitskaya, N. et al. 2018. CUBE ONLINE ANALYTICAL MODEL (COLAM) IN THE RIVER SHIPPING LOGISTIC FORECASTING. Journal of the Geographical Institute “Jovan Cvijić” SASA. 68, 2 (Aug. 2018), 297–304. DOI:https://doi.org/10.2298/IJGI1802297V.