Martirosyan, L. 2013. ANALYSIS OF RECREATIONAL POTENTIAL OF MOUNTAINOUS AREA ACCORDING TO THE RESERVOIR PRINCIPLE: (on the example of upper and middle flows of the Аkhuryan River). Proceedings of the YSU C: Geological and Geographical Sciences. 47, 2 (231) (Aug. 2013), 28–34. DOI:https://doi.org/10.46991/PYSU:C/2013.47.2.028.