TY - CHAP T1 - Acid rain since 1985 - times are changing T2 - Acid deposition: its nature and impacts Y1 - 1991 A1 - Brydges, T.G. A1 - Wilson, R.B. ED - Last, F.T. ED - Watling, R. JF - Acid deposition: its nature and impacts T3 - Proceedings of the Royal Society of Edinburgh VL - 97 ER -