Effectiveness of actions intended to achieve a voluntary transition from the use of lead to non-lead shotgun ammunition for hunting in Britain.
Green, R. E. & Taggart, M. A. & Pain, D. J. & Clark, N. A. & Clewley, L. & Cromie, R. & Dodd, S. G. & Elliot, B. & Green, R. M. W. & Huntley, B. & Huntley, J. & Pap, S. & Porter, R. & Robinson, J. A. & Sheldon, R. & Smith, K. W. & Smith, L. & Spencer, J. & Stroud, D.