Marchenko AN, Marchenko DA, Lopushansky AN. Gravity field models derived from the second degree radial derivatives of the GOCE mission: a case study. Ann. Geophys. [Internet]. 2017Jan.6 [cited 2024Apr.26];59(6):S0649. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7049