By Zalasiewicz, Jan
By Stow, Dorrik
By Peter Molnar, Peter Molnar (Professor of Geological Sciences, University of Colorado)
By Smith, Robert B., Siegel, Lee J.
By A.H.G. Mitchell, M.S. Garson
By Hay, William W.
By Middlemiss, Frank A.
By Winchester, Simon
By Ziegler, Peter A.
By Welland, Michael
By Baxter, Stephen
By Wegener, Alfred
By Fortey, Dr Richard
By Southwood, Richard
By British Geological Survey
By Lyons, S. Kathleen, Behrensmeyer, Anna K., Wagner, Peter J., Peter
By Lenton, Tim, Watson, Andrew
By Andrews, John T., etc., Austin, W.E.N., Bergsten, H., Jennings, A.E.
By Morris, A., Tarling, D. H.
By Boldy, S.A.R.
By Scrutton, R.A., etc., Stoker, M.S., Shimmield, G.B., Tudhope, A.W.
By Lucas, S. G., Cassinis, G., Schneider, J.W.
By Vaughan, A. P. M., Leat, P. T., Pankhurst, R. J.
By De Meer, S., et al
By Friend, Peter F., Williams, B.P.J.
By Nottvedt, A.