STUDY OF THE EARTH’S CRUST AND UPPER SHELL WITH THE HELP OF GEOPHYSICAL FIELD VARIATIONS. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 51, n. 1 (242), p. 27–31, 2024. DOI: 10.46991/PYSU:C/2017.51.1․027. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol51_no1_2017_pp027-031. Acesso em: 22 jan. 2026.