Shahinyan, S. (2017) “ABOUT THE GNSS NETWORK OF BASIC, REFERENCE STATIONS IN THE REPUBLIC OF ARMENIA AND THE COMBINATION WITH THE QUASIGEOID MODEL”, Proceedings of the YSU C: Geological and Geographical Sciences. Yerevan, Armenia, 51(3 (244), pp. 210–215. doi: 10.46991/PYSU:C/2017.51.3.210.