%0 Book Section %B ITE Symposium %D 1993 %T Critical Loads: Concepts and Applications %A Harriman, R. %A Christie, A.E.G. %A Hornung, M. (Eds) %A Skeffington, R.A. (Eds) %B ITE Symposium %V 28 %P 103-108 %& Critical loads and surface waters: evaluation of the steady-state water chemistry model