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Continue to ChatModelling and mapping third dimension in a spatial database - https://avesis.ktu.edu.tr/yayin/694f74c9-aee5-4512-b711-3519e27b9073/modelling-and-mapping-third-dimension-in-a-spatial-database
Modelling and mapping third dimension in a spatial database - https://avesis.ktu.edu.tr/yayin/694f74c9-aee5-4512-b711-3519e27b9073/modelling-and-mapping-third-dimension-in-a-spatial-database