Vardanyan, V. P., and S. R. Minasyan. “INVESTIGATION OF NON-CONFORMITY OF PRESENT AND BURIED RELIEFS AND IMPROVEMENT OF KARKACHUN WATERSHED BOUNDARIES”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 41, no. 3 (214), Oct. 2007, pp. 127-30, doi:10.46991/PYSU:C/2007.41.3.127.