@inproceedings{TUW-210035, author = {Alizadeh, Mahdi and Schuh, Harald}, title = {Ionospheric impact on VLBI and comparison with other space geodetic techniques}, booktitle = {TRANSMIT Summer School Abstract Book}, year = {2012}, numpages = {1}, note = {talk: 2nd TRANSMIT Summer School, Neustrelitz, Germany; 2012-09-10 -- 2012-09-14} }