K. Hopfensperger
Hopfensperger, K. N., C.M. Gault, and Peter M. Groffman. 2009. “Influence of Plant Communities and Soil Properties on Trace Gas Fluxes in Riparian Northern Hardwood Forests”. For. Ecol. Manage 258: 2076-82. doi:10.1016/j.foreco.2009.08.004.
Hopfensperger, K. N., Sujay S. Kaushal, Stuart E. G. Findlay, and J.C. Cornwell. 2009. “Influence of Plant Communities on Denitrification in a Tidal Freshwater Marsh of the Potomac River, United States”. J. Environ. Qual. 38: 18-26. doi:10.2134/jeq2008.0220.