@inproceedings{TUW-191316, author = {Alizadeh, Mahdi and Schuh, Harald and Todorova, Sonya and Schmidt, Michael}, title = {Combining Space Geodetic Techniques for Global VTEC Modeling}, booktitle = {International Beacon Satellite Symposium 2010 (CD)}, year = {2010}, note = {talk: International Beacon Satellite Symposium 2010, Barcelona, Spanien; 2010-06-07 -- 2010-06-11} }