Boynagryan, V. and Boynagryan, A. 2016. ANTHROPOGENIC TRANSFORMATIONS OF THE MARMARIK RIVER VALLEY RELIEF AND EVOLUTION OF SECONDARY TECHNOGENIC GEOMORPHOLOGICAL PROCESSES. Proceedings of the YSU C: Geological and Geographical Sciences. 50, 3 (241) (Dec. 2016), 27–32. DOI:https://doi.org/10.46991/PYSU:C/2016.50.3.027.