Acidification of freshwater ecosystems : implications for the future : report of the Dahlem Workshop on Acidification of Freshwater Ecosystems held in Berlin, September 27-October 2, 1992 / edited by C.E.W. Steinberg and R.F. Wright ; program advisory committee: C.E.W. Steinberg ... (et al.). - Steinberg, C. E. W. (Christian E. W.); Wright, R. F. (Richard F.) (Dahlem workshop reports., 1994)