TY - JOUR A1 - Höpfner, Joachim T1 - On the contribution of the Geodetic Institute Potsdam to the International Latitude Service T1 - paper presented on the occasion of the centennial of the first observations of the International Latitude Service in 1999 Y1 - 1999 JF - Scientific Technical Report / Geoforschungszentrum Potsdam DO - 10.23689/fidgeo-537 PB - GFZ CY - Helmholtz-Zentrum UR - http://hdl.handle.net/11858/00-1735-0000-0001-32A9-D ER -