Mann, P. J., W. Sobczak, J. E. Vonk, A. Davydova, J. Schade, E. Bulygina, S. Davydov, N. Zimov, and R. M. Holmes. 2011. Enzymatic regulation of organic matter metabolism in Siberia’s Kolyma River watershed. American Geophysical Union, fall meeting, San Francisco, California.