"Compiled for the 13th International Sedimentological Congress, Nottingham U.K. 1990".
Field guide to Devonian and Carboniferous sediments in the Tweed and Northumberland basins, S.E. Scotland and N.E. England by Brian Turner. ISBN 1873947097. Published by British Sedimentological Research Group in 1991. Publication and catalogue information, links to buy online and reader comments.