* [http://www.adv-online.de/icc/extdeu/binarywriterservlet?imgUid=42b23fd2-1153-911a-3b21-718a438ad1b2&uBasVariant=11111111-1111-1111-1111-111111111111&isDownload=true Modeling of the geoinformation of the official surveying and mapping of Germany, GeoInfoDok V 6.0 (Main Document, in German only)]
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* ALKIS Objektartgruppe Angaben zum Gebäude
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* [http://www.adv-online.de/AAA-Modell/Dokumente-der-GeoInfoDok/binarywriterservlet?imgUid=c9e63fd2-1153-911a-3b21-718a438ad1b2&uBasVariant=11111111-1111-1111-1111-111111111111&isDownload=true ALKIS feature catalogue with building information ( in German only)]