@article{TUW-120855, author = {Opitz, Michael and Weber, Robert and Caissey, Marc and Br{\"o}derbauer, Veronika}, title = {A critical assessment of the current EGNOS performance}, journal = {{\"O}sterreichische Zeitschrift f{\"u}r Vermessung und Geoinformation (VGI), begutachteter Spezialband}, year = {2007}, volume = {Heft 2}, number = {95. Jahrgang}, pages = {143--150} }