TY - JOUR T1 - Hydrographic GIS AU - Hecht, H. JO - The International Hydrographic Review VL - 29(1) SP - 158 EP - 162 PY - 2023 DA - 2023/05/01 DO - https://doi.org/10.58440/ihr-29-a11 UR - https://ihr.iho.int/articles/hydrographic-gis/