@unpublished{TUW-224293, author = {Weber, Robert and B{\"o}hm, Johannes}, title = {Grundlagenvermessung - H{\"o}here Geod{\"a}sie}, year = {2013}, note = {invited; talk: Generalversammlung des Vereins der Grundkatasterf{\"u}hrer {\"O}sterreichs, Vienna, Austria; 2013-04-26} }