authors Read, B.J. Raman, H. Mcmichael, G. Chalmers, Ken Ablett, G.A. 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.