United Kingdom Contribution to the Intenational Geological Correlation Programme - Harris, A.L. | Blundell, D.J. | Boulton, G. | Cowie, J.W. | Curtis, C. | Funnel, B.M. | Hancock, J.M. | Kidd, R.B. | Kusznir, N.J. | Marker, B.R. | Mather, J.D. | Nesbitt, R.W. | ., Stoneley | Tarney, J. | Williams, B. | Wood, D.S. (UNESCO, London, 1990)