1.
Hardtwig E. RICERCHE SULL’AGITAZIONE MICROSISMICA IN GERMANIA DURANTE LA SECONDA GUERRA MONDIALE. Ann. Geophys. [Internet]. 1951 Nov. 25 [cited 2026 Jun. 19];4(1):127-35. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5897