Cretaceous of the central and northern North Sea /
Johnson, Harvey,1934-
Lott, G. K.
Knox, R. W. O'B.
Cordey, W. G.
British Geological Survey.
UK Offshore Operators Association.
Keyworth : British Geological Survey,
1993.
Published by the British Geological Survey on behalf of the  UK Offshore Operators Association.
Includes bibliographical references.
Geology, Stratigraphic