Ezakyan, H. S. “NEW TECHNICAL MEANS FOR GETTING CONDITIONED OUTCROP AND THEIR RATIONAL USE”. Proceedings of the YSU C: Geological and Geographical Sciences 45, no. 1 (224) (April 25, 2011): 20–23. Accessed November 10, 2024. https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol45_no1_2011_pp020-023.