authors Read, B.J. Raman, H Mcmichael, G. Chalmers, K. Ablett, G Platz, G.J. Raman, R. Genger, R.K. Boyd, W.J.R. Li, C.D. Grime, C.R. Park, Robert Wallwork, H Prangnell, R. Lance, R.C.M.