Minasyan, R. S., and V. P. Vardanyan. “MAIN PRINCIPLES OF REMOTE METHODS COMPLEXATION AT STUDYING OF GROUND WATER RESOURCES”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 43, no. 1 (218), Apr. 2009, pp. 14-19, doi:10.46991/PYSU:C/2009.43.1.014.