TY - Generic T1 - Recovery of acidified surface waters from acidification in the United Kingdom after twenty years of chemical and biological monitoring (1988–2008) Y1 - 2014 A1 - Battarbee, R.W. A1 - Shilland, E.M. A1 - Kernan, M. A1 - Monteith, D.T. A1 - Curtis, C. JF - Ecological Indicators VL - 37 IS - Part B ER -