D. Gift
Gift, D., Peter M. Groffman, Sujay S. Kaushal, and Paul M. Mayer. 2010. “Denitrification Potential, Root Biomass, And Organic Matter In Degraded And Restored Urban Riparian Zones”. Restor. Ecol. 18: 113-120. doi:10.1111/j.1526-100X.2008.00438.x.
Gift, D. 2006. “Root Biomass And Denitrification Potential In Degraded And Restored Urban Riparian”. Undergraduate Ecology Research Reports. Millbrook, New York: Institute of Ecosystem Studies. http://www.caryinstitute.org/reprints/Gift_2006_REU.pdf.