Joachim Höpfner

Chandler and annual wobbles based on space-geodetic measurements

Joachim Höpfner, J. Höpfner, 2002 .

Seasonal variations in length of day and atmospheric-angular-momentum

Joachim Höpfner, J. Höpfner, 1997 .

Seasonal variations in length of day and atmospheric angular momentum

Joachim Höpfner, J. Höpfner, 1998 .