TY - Generic T1 - Long-term trends in stream chemistry and biology in Northeast Scotland: Evidence for recovery Y1 - 1996 A1 - Soulsby, C. A1 - Turnbull, D. A1 - Langan, S.J. A1 - Owen, R. A1 - Hirst, D. JF - Water, Air and Soil Pollution VL - 85 ER - TY - Generic T1 - An empirical map of acidity for soils in Great Britain Y1 - 1995 A1 - Hornung, M. A1 - Bull, K.R. A1 - Cresser, M.S. A1 - Hall, J. A1 - Langan, S.J. A1 - Loveland, P.J. A1 - Smith, C. JF - Environmental Pollution VL - 90 ER - TY - CHAP T1 - Acid Rain and its Impact: The Critical Loads Debate. Y1 - 1994 A1 - Hornung, M. A1 - Bull, K.R. A1 - Cresser, M.S. A1 - Loveland, P.J. A1 - Langan, S.J. A1 - Reynolds, B. A1 - Robertson, W.H. A1 - Battarbee, R.W. (Eds) PB - Environmental Change Research Centre/ENSIS CY - London ER - TY - RPRT T1 - The calculation of weathering rates and their role in the determination of critical loads Y1 - 1994 A1 - Langan, S.J. A1 - Bain, D.C. A1 - Wilson, M.J. ED - Battarbee, R.W. JF - Acid Rain and its Impact: The Critical Loads Debate. PB - Environmental Change Research Centre/ENSIS CY - London ER -