Biogeochemistry of organic carbon, CO2, CH4, and trace elements in thermokarst water bodies in discontinuous permafrost zones of Western Siberia / L. S. Shirokova, O. S. Pokrovsky, S. N. Kirpotin [et.al.] // Biogeochemistry. 2013. Vol. 113. P. 573-593. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000453489