@inproceedings{TUW-119312, author = {Weber, Robert}, title = {Real-Time Positioning by Means of Active GPS/GLONASS Permanent Station Networks}, booktitle = {Geodesy for Geotechnical and Structural Engineering}, year = {2002}, note = {talk: IAG SC4/Geodesy for Geotechnical and Structural Engineering, Berlin; 2002-05-21 -- 2002-05-24} }