Dodds, W. K, E.  Marti, Jennifer L Tank, J.  Pontius, Stephen K Hamilton, Nancy B Grimm, William B Bowden, et al.. ?Carbon And Nitrogen Stoichiometry And Nitrogen Cycling Rates In Streams?. Oecologia 140, no. 3. Oecologia (2004): 458-467. doi:10.1007/s00442-004-1599-y.