Law, G. External Organizations;
Hammitzsch, Martin CeGIT Centre for GeoInformation Technology, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Law, G., Hammitzsch, M. (2013): Hierarchical Administrative Subdivision Codes. Proceedings of the 10th International Conference on Information Systems for Crisis Response and Management, 10th International Conference on Information Systems for Crisis Response and Management - ISCRAM (Baden-Baden, Germany 2013).