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 -