Baldi, P., G. Casula, S. Focardi, and F. Palmonari. “Tidal Analysis of Data Recorded by a Superconducting Gravimeter”. Annals of Geophysics 38, no. 2 (November 25, 1995). Accessed May 1, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4116.