By Cairns-Smith, A. G.
By Healey, A. G., Biggs, Tony
By Dickens, A. G.
By Turner, Arthur Logan, Maran, A. G.
By Apley, A. G., Solomon, Louis
By Stell, P. M., Maran, A. G., Gaze, Mark N., Wilson, Janet A., Gaze, Michael, Wilson, J. A.