TY - BOOK AU - Vriend De.H.J AU - H.J.Geldof TI - Main flow velocity in short and sharply curved river bends U1 - 621.2 MAI 1983 PY - 1965/// CY - Netherland: PB - Communications on Hydraulic Department of Civil Engineering Delft University of Technology KW - Rivers KW - Hydrography--Graphic methods KW - Hydrographic surveying--Data processing N1 - Field measurements; Examination of results; Mathematical simulation ER -