D.M. Spada
Canham, Charles D., Michael L. Pace, M.J. Papaik, A.G.B. Primack, K.M. Roy, R.J. Maranger, R.P. Curran, and D.M. Spada. 2004. “A Spatially-Explicit Watershed-Scale Analysis of Dissolved Organic Carbon in Adirondack Lakes”. Ecol. Appl. 14: 839-54. http://www.caryinstitute.org/reprints/Canham_et_al_2004_Ecol_Appl_14_839-854.pdf.