1.
GUALTIERI G, MURRI A. The vertical gradient of Electro-Atmospheric potential at Macerata (Italy) (Central East Apennines). Ann. Geophys. [Internet]. 1969Nov.25 [cited 2024Mar.28];22(1):33-55. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5080