Methane emission from West Siberian swamps / G. A. Makhov, N. M. Bazhin, T. T. Efremova [et. al.] // Fundamental and applied problems of environmental protection. Vol. 4 : International conference, September, 12-16, 1995, Tomsk : abstracts. Tomsk, 1995. Vol. 4 : Contemporary problems of geoecology and rational use of natural resources ; Ecological aspects of urban design and agrilandscape formation. Recreational use of nature. P. 45