Oczkowski A.J., Pellerin B.A., Hunt C.W., Wollheim W.M., Vorosmarty C.J., Loder T.C..  2006.  The role of snowmelt and spring rainfall in inorganic nutrient fluxes from a large temperate watershed, the Androscoggin River basin (Maine and New Hampshire).. Biogeochemistry. 80:217-234.