D. Frank
Ewing, Holly A., Peter M. Groffman, and D. A. Frank. 2010. “Grazers And Soil Moisture Determine The Fate Of Added (Nh4)-N-15 (+) In Yellowstone Grasslands”. Plant Soil 328: 337-351.
Frank, D. A., and Peter M. Groffman. 2009. “Plant Rhizospheric N Processes: What We Don't Know And Why We Should Care”. Ecology 90.
Verchot, L. V., Peter M. Groffman, and D. A. Frank. 2002. “Landscape Versus Ungulate Control Of Gross Mineralization And Gross Nitrification In Semi-Arid Grasslands Of Yellowstone National Park”. Soil Biol. Biochem. 34: 1691-1699.
Frank, D. A., Peter M. Groffman, R.D. Evans, and B.F. Tracy. 2000. “Ungulate Stimulation Of Nitrogen Cycling In Yellowstone Park Grasslands”. Oecologia 123: 116-123.
Frank, D. A., and Peter M. Groffman. 1998. “Ungulate Vs. Landscape Control Of Soil C And N Processes In Grasslands Of Yellowstone National Park”. Ecology 79: 2229-2241.
Frank, D. A., and Peter M. Groffman. 1998. “Denitrification In A Semi-Arid Grazing Ecosystem”. Oecologia 117: 564-569.