1. Improving the accuracy of tidal gravity measurements;Edge,1986
2. Geophysik und Astronomie;Heitz,1980
3. Temporal variations of rotational origin in the absolute value of gravity;Lambeck;Studia geophys. et geod.,1973
4. Static deformations and gravity changes at the Earth's surface due to atmospheric loading;Rabbel;Geophysics,1985