RAIMONDI, C., and F. MOSETTI. “QUALCHE CONSIDERAZIONE PRETICA SULL’ANALISI PERIODALE”. Annals of Geophysics 8, no. 4 (November 25, 1955): 425–438. Accessed April 19, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5685.