Sardaryan, A. et al. 2017. 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. 51, 1 (242) (Apr. 2017), 27–31. DOI:https://doi.org/10.46991/PYSU:C/2017.51.1․027.