For citations:

Trofimova E.V. INTERNATIONAL CONFERENCE “KARSTS SYSTEMS OF THE NORTH IN THE CHANGING ENVIRONMENT” (5–10 SEPTEMBER, 2011. GOLUBINO-PINEGA, ARCHANGELSK REGION). Geomorfologiya. 2012;(2):106-107. (In Russ.) https://doi.org/10.15356/0435-4281-2012-2-106-107