The isotopic composition of soil organic carbon on a north-south transect in western Canada. European Journal of Soil Science 53: 393-403.
. 2002. Microbial characteristics of soils on a latitudinal transect in Siberia. Global Change Biology 9: 1106–1117.
. 2003. Microbial processes and carbon-isotope fractionation in tropical and temperate grassland soils. Functional Ecology 14: 108–114.
. 2000. Response of central Siberian Scots pine to soil water deficit and long-term trends in atmospheric CO2 concentration. Global Biogeochemical Cycles 16: 1–13.
. 2002. Soil carbon inventories and carbon-13 on a latitude transect in Siberia. Tellus Series B - Chemical and Physical Meteorology 54: 631-641.
. 2002. Vertical and horizontal variation of carbon pools and fluxes in soil profile of wet southern taiga in European Russia. BOREAL ENVIRONMENT RESEARCH 15: 357-369.
. 2010.