D. Houle
Kerr, J. G., M. C. Eimers, I.F. Creed, M.B. Adams, F. Beall, D.A. Burns, John L. Campbell, et al. 2012. “The Effect of Seasonal Drying on Sulphate Dynamics in Streams across Southeastern Canada and the Northeastern USA”. Biogeochemistry. doi:10.1007/s10533-011-9664-1.
Mitchell, Myron J., Gary M. Lovett, Scott W. Bailey, F. Beall, D.A. Burns, Donald C. Buso, Thomas A. Clair, et al. 2011. “Comparisons of Watershed Sulfur Budgets in Southeast Canada and Northeast US: New Approaches and Implications”. Biogeochemistry 103: 181-207. doi:10.1007/s10533-010-9455-0.
Campbell, John L., Lindsey E. Rustad, E.W. Boyer, S.F. Christopher, Charles T. Driscoll, I.J. Fernandez, Peter M. Groffman, et al. 2009. “Consequences of Climate Change for Biogeochemical Cycling in Forests of Northeastern North America”. Can. J. For. Res. 39. doi:10.1139/X08-104.