MORITZ, H. The sand grain and the butterfly. Instability in geodesy and geophysics. Annals of Geophysics, [S. l.], v. 40, n. 5, 1997. DOI: 10.4401/ag-3871. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3871. Acesso em: 27 nov. 2021.