TY - GEN AU - 0 T1 - Publication / International Association of Geodesy, Section 1 - Positioning, Subcommission for the European Reference Frame (EUREF) CY - München PY - 1993 PB - Verl. d. Bay. Akad. d. Wiss. T3 - Astronomisch-Geodätische Arbeiten VL - 53 SN - 3-7696-9796-0