Reports on Geodesy
Reports on Geodesy > 1998 > z. 10/40 > 215-230
Reports on Geodesy > 1998 > z. 10/40 > 235-241
Reports on Geodesy > 1998 > z. 11/41 > 53-63
Reports on Geodesy > 1998 > z. 11/41 > 43-51
Reports on Geodesy > 1998 > z. 11/41 > 21-34