By gerald k. geerlings
By John Eastwick-Field, John Stillman
By Siegle, Lucy
By Jaffe, Deborah
By Primrose, Sandy B.
By Blaylock, Roger, White, Derik
By Cheung, Y. K., Lo, S. H., Leung, A. Y. T.
By Gobel, E.F., Brichta, A.M., Arnost Michael
By Irons, B
By N/A
By Stacey, Nigel, Professor Margaret
By Owen, David, Dunton, Mark
By Harvey, P.K., Lovell, M.A.
By Fritz, R.D., etc.
By H. C. "Slip" Slider
By Richard C. Selley
By Lovell, M.A., etc., Williamson, Gail, Harvey, P.K.
By F W Dunning, Institute of Geological Sciences, Geological Museum
By Davies, R. J., Cartwright, J. A., Stewart, S. A., Lappin, M., Underhill, J. R.
By Hilchie, Douglas W.
By Kupecz, J.A., etc.
By Levell, B., Bowman, M.
By Schatzinger, Richard, Jordan, John
By Beaumont, Edward A., Foster, Norman H.
By Waltham, David
By Croft, Dr Anthony, Davison, Robert
By Cannon, S. J. C., Ellis, D.
By Satinder Chopra (author) &, Kurt J. Marfurt (author)
By Consentino, Luca
By Lodge, Julia, Lund, Peter, Minchin, Steve