MTS: Standard Data
Entity Relationship Diagram for Epicentre V3.0 Data Model Copyright (C) 2001 POSC, All Rights Reserved.
version Each technical_reference may version one and only one ref_version. technical_reference Each ref_version may be referenced by one or more technical_reference. version Each association_reference may version one and only one ref_version. association_reference Each ref_version may be referenced by one or more association_reference. version Each earth_feature may version one and only one ref_version. earth_feature Each ref_version may be referenced by one or more earth_feature. version Each ref_aliasable_data may version one and only one ref_version. ref_aliasable_data Each ref_version may be referenced by one or more ref_aliasable_data. association_reference earth_feature ref_aliasable_data ref_version technical_reference