@unpublished{TUW-270750, author = {Natras, Randa and Magnet, Nina and Weber, Robert}, title = {Development of GPS-based Local Ionosphere TEC Model with Taylor Series Expansions}, year = {2018}, note = {talk: Specialized Summit on Space Geodesy and Ionosphere Research SGI 2018, Berlin, Germany; 2018-06-28 -- 2018-06-29} }