EN ISO 19144-1:2012/AC:2012 Geographic information - Classification systems - Part 1: Classification system structure - Technical Corrigendum 1 (ISO 19144-1:2009/Cor 1:2012)
2012EN ISO 19144-1:2012/AC:2012 Geographic information - Classification systems - Part 1: Classification system structure - Technical Corrigendum 1 (ISO 19144-1:2009/Cor 1:2012)
2012EN ISO 19144-1:2012 Geographic information - Classification systems - Part 1: Classification system structure (ISO 19144-1:2009)