@article {1496,
	title = {Evidence of recovery from acidification in the macroinvertebrate assemblages of UK fresh waters: A 20-year time series.},
	journal = {Ecological Indicators},
	volume = {37},
	year = {2014},
	pages = {330-340},
	author = {Murphy, J.F. and Winterbottom, J.H. and Orton, S. and Simpson, G.L. and Shilland, E.M. and Hildrew, A.G.}
}
