@article{193186,
      author       = "Balidakis, K. and Zus, F. and Douša, Jan and Nilsson, T,
                      and Glaser, S. and Soja, B. and Karbon, M. and Heinkelmann,
                      R. and Schuh, H. and 9th IVS General Meeting "New Horizons
                      with VGOS"",
      title        = "On the impact of different mapping functions on geodetic
                      and tropospheric products from VLBI data analysis",
}