Farmer, M, Cooper, T, Baldock, D, Tucker, G, Eaton, R, Hart, K, Bartley, J, Rayment, M, Arblaster, K, Beaufoy, G, Pointereau, P, Coulon, F, Herodes, M, Kristensen, L, Andersen, E, Landgrebe, R, Naumann, S, Povellato, A, Trisorio, A, Jongman, RHG & Bunce, RGH 2008,
Reflecting Environmental Land Use Needs into EU policy: Preserving and enhancing the environmental benefits of unfarmed features on EU farmland. Final Report, no. ENV.B.1/ETU/2007/0033, Institute for European Environmental Policy IEEP, London.