title = "Testing soil quality indicators.: Report to SEPA.",
author = "R.J. Mitchell and L. Beesley and R. Briggs and A. Cuthbert and J.J.C. Dawson and R.C. Helliwell and R.L. Hewison and C. Kerr and I.D. Leith and I.J. Owen and J.M. Potts and G. Newman and D. Smith and L.J. Shephard and F. Sturgeon and A.F.S. Taylor and D. White and A. Williams and E. Williams and H.I.J. Black",