Permanent Satellite Tracking Networks for Geodesy and Geodynamics: Symposium No. 109 Vienna, Austria, August 11–24, 1991 1993 · ENGLISH · PDF View details →
Reference Coordinate Systems for Earth Dynamics: Proceedings of the 56th Colloquium of the International Astronomical Union Held in Warsaw, Poland, September 8–12, 1980 1981 · ENGLISH · PDF View details →