@inbook {1540, title = {Setting critical loads for dystrophic peat - a new approach.}, booktitle = {Acid Rain and its Impact: The Critical Loads Debate}, year = {1994}, chapter = {Setting critical loads for dystrophic peat - a new approach}, author = {Wilson, E.J. and Skeffington, R.A. and Downer, C.J. and Maltby, E. and Immirzi, P. and Swanston, C.} } @article {88, title = {Estimating the relative contribution of SOx, NOy and NHx inputs to effects of atmospheric deposition}, year = {1993}, month = {02/1992}, institution = {HMSO}, address = {London}, author = {Sutton, M.A. and Fowler, D.} }