Research authors: E R Henderson, A Wills, A M Torrington, A P Moores, D Thomson, G Arthurs, G Brown, H R Denny, H W Scott, I MacQueen, J Dunne, J Onyett, J D Walker, J Prior, M R Owen, N Burton, R Whitelock, Sarah Girling, S Morrison, S Gilbert, S J Langley-Hobbs, T J Gemmill, C K Störk, S Bright, E Comerford, R Pettitt, N Macdonald, J F Innes
Research authors: K E Forster, A Wills, A M Torrington, A P Moores, D Thomson, G Arthurs, G Brown, H R Denny, H W Scott, I MacQueen, J Dunne, J Onyett, J D Walker, J Prior, M R Owen, N Burton, R Whitelock, Sarah Girling, S Morrison, S Gilbert, S J Langley-Hobbs, T J Gemmill, J F Innes
Research authors: S Bright, Sarah Girling, T O'Neill, J F Innes
Research authors: Sarah Girling, J F Innes
Research authors: Sarah Girling, S C Bell, R G Whitelock, R G Rayward, D G Thomson, S C Carter, A Vaughan-Thomas, J F Innes