By Mastalerz, M., Glikson, M. V., Golding, Suzanne D.
By Brady, Barry H.G., Brown, E. T.
By Coleman, J.M.
By Dranfield, Kevin
By Fritz, R.D., etc.
By Ashcroft, WILLIAM
By H. C. "Slip" Slider
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 Kupecz, J.A., etc.
By Tearpock, Daniel J., Bischke, Richard E.
By Schatzinger, Richard, Jordan, John
By Beaumont, Edward A., Foster, Norman H.
By Hyne, Norman
By Cannon, S. J. C., Ellis, D.
By Sheriff, R
By Bourdarot, Gilles, Balvet, Barbara Brown
By Satinder Chopra (author) &, Kurt J. Marfurt (author)
By Consentino, Luca
By Theys, Philippe
By Gabolde, Gilles, Nguyen, Jean-Paul
By Wilson, P. D.
By Gallun, Rebecca A., Wright, Charlotte J., Nichols, Linda M., Stevenson, John W.
By Owen, David
By Telford, W
By Jahn, Cook, Graham
By Sanderson, Henry
By Chester, Herbert
By J Evan-Hart and D Stuckey, Greg Payne, Julian Evan-Hart