Multiple stresses from a single agent: Diverse responses to the experimental acidification of Little Rock Lake, Wisconsin - Frost, T.M.; Montz, P.K.; Kratz, T.K.; Badillo, T.; Brezonik, P.L.; Gonzalez, M.J.; Rada, R.G.; Watras, C.J.; Webster, K.E.; Wiener, J.G.; Williamson, C.E.; Morris, D.P. (Limnology and Oceanography, 1999)