@unpublished{TUW-192435, author = {Kemetinger, A. and Wasle, Elmar and Aichhorn, Klaus and Hamader, Peter and Stangl, G{\"u}nther and Krauss, Sandro and Weber, Robert and Thaler, Gottfried}, title = {An EGNOS Service for Topographic Challenging Environment}, year = {2010}, note = {poster presentation: Enc Gnss 2010, Braunschweig, Deutschland; 2010-10-19 -- 2010-10-21} }