Field guide to shelf sediments in the carboniferous of Northumberland and the Jurassic of Yorkshire /
International Sedimentological Congress(13th :1990 :Nottingham, England)
Brenchley, P. J.(Patrick John)
Howard, Andy.
Lees, George,1961-
British Sedimentological Research Group.
[Cambridge?] : British Sedimentological Research Group,
c1991.
"Compiled for the 13th International Sedimentological Congress, Nottingham U.K. 1990."