@unpublished{TUW-218146, author = {M{\"o}ller, Gregor}, title = {Analyse des GNSS Referenzstationsnetzes EPOSA - Folgeuntersuchung zur Koordinatenstabilit{\"a}t}, year = {2013}, note = {invited; talk: EPOSA Meeting Fr{\"u}hjahr 2013, Vienna, Austria; 2013-03-22} }