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	year = {1998},
	pages = {349-361},
	chapter = {1},
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@inbook {622,
	title = {Acid Rain and its Impact: The Critical Loads Debate.},
	year = {1994},
	pages = {43-51},
	publisher = {Environmental Change Research Centre/ENSIS},
	organization = {Environmental Change Research Centre/ENSIS},
	chapter = {Mapping critical loads for the soils of Great Britain},
	address = {London},
	author = {Hornung, M. and Bull, K.R. and Cresser, M.S. and Loveland, P.J. and Langan, S.J. and Reynolds, B. and Robertson, W.H. and Battarbee, R.W. (Eds)}
}
