DIN CEN/TR 15449-2
DIN CEN/TR 15449-2 Geographic information - Spatial data infrastructures - Part 2: Best practices; German version CEN/TR 15449-2:2012
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2014