@inbook {188,
	title = {Acid rain since 1985 - times are changing},
	booktitle = {Acid deposition: its nature and impacts},
	series = {Proceedings of the Royal Society of Edinburgh},
	volume = {97},
	year = {1991},
	pages = {1-15},
	author = {Brydges, T.G. and Wilson, R.B.},
	editor = {Last, F.T. and Watling, R.}
}
