TY - GEN AU - Boedecker, G. AU - Francis, O. AU - Kenyeres, A. T1 - Unified European Gravity Reference Network 2002 - Status 2004 CY - PY - 2004 PB - T3 - Jekeli C., Bastos L., Fernandes J. (eds) Gravity, Geoid and Space Missions. International Association of Geodesy Symposia, vol 129. Springer, Berlin, Heidelberg