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"A survey of official online sources of high-quality free-of-charge ..."
Christos Kalyvas, Athanasios Kokkos, Theodoros Tzouramanis (2017)
- Christos Kalyvas, Athanasios Kokkos, Theodoros Tzouramanis:
A survey of official online sources of high-quality free-of-charge geospatial data for maritime geographic information systems applications. Inf. Syst. 65: 36-51 (2017)
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