@inbook {537,
	title = {Critical Loads - Concepts and Applications},
	booktitle = {ITE Symposium},
	volume = {28},
	year = {1993},
	publisher = {HMSO},
	organization = {HMSO},
	chapter = {Critical loads for peat soils},
	address = {London},
	author = {Cresser, M.S. and Smith, C. and Sanger, L. and Hornung, M. (Eds) and Skeffington, R.A. (Eds)}
}
@inbook {602,
	title = {Critical Loads: Concepts and Applications},
	booktitle = {ITE Symposium},
	volume = {28},
	year = {1993},
	pages = {103-108},
	chapter = {Critical loads and surface waters: evaluation of the steady-state water chemistry model},
	author = {Harriman, R. and Christie, A.E.G. and Hornung, M. (Eds) and Skeffington, R.A. (Eds)}
}
