@inproceedings{TUW-176268, author = {Alizadeh, Mahdi and Schuh, Harald and Todorova, Sonia and Schmidt, Michael}, title = {Ionosphere Maps of VTEC from GNSS, Satellite Altimetry and FORMOSAT-3/COSMIC Data}, booktitle = {European Geosciences Union, General Assembly 2009}, year = {2009}, note = {poster presentation: European Geosciences Union, General Assembly 2009, Vienna; 2009-04-19 -- 2009-04-24} }