por Coward, M. P [editor] | Dewey, John Frederick [editor] | Hancock, Paul L [editor].
por Roberts, Alan Michel, 1959- [editor] | Yielding, Graham, 1957- [editor] | Freeman, Brett, 1958- [editor] | Geological Society of London.
por Geological Society of London (25 : 1989 : Heriot-Watt University) | Forster, Andrea [editor] | Geological Society of London.