TY - JOUR A1 - Höpfner, Joachim T1 - Seasonal variations in length of day and atmospheric-angular-momentum T1 - paper presented at the XXII General Assembly European Geophysical Society Vienna, Austria, 21 - 25 April 1997 Y1 - 1997 JF - Scientific Technical Report / Geoforschungszentrum Potsdam DO - 10.23689/fidgeo-542 PB - GFZ CY - Helmholtz-Zentrum UR - http://hdl.handle.net/11858/00-1735-0000-0001-32AE-3 ER -