%0 Generic %D 2014 %T Evidence of recovery from acidification in the macroinvertebrate assemblages of UK fresh waters: A 20-year time series. %A Murphy, J.F. %A Winterbottom, J.H. %A Orton, S. %A Simpson, G.L. %A Shilland, E.M. %A Hildrew, A.G. %B Ecological Indicators %V 37 %P 330-340 %G eng %N Part B