DORDZHIEV, Anatoly, DORDZHIEV, Anatoly, SANGADZHIEV, Mergen, RUBEKO, Leonid, AND ONKAEV, Victor. " Salt Composition of Clay Soils and Its Variation with Long-term Water Filtration in Republic of Kalmykia" Journal of Environmental Management and Tourism [Online], Volume 9 Number 1 (23 June 2018)