Dr. Bulat Mavlyudov
Study of glacial caves. Institute of Geography of the Russian Academy of Sciences, RAS. Senior Researcher. Department of Glaciology. Vice President and Chairman of the Working Group of the Commission on Glacier Caves of the International Speleological Union. 29 Staromonetnyy str., 109017, Moscow, Russian Federation. tel: +7 (495) 959-00-35 E-mail: bulatrm@bk.ru