1. Chapter 7C. Colonial Chlorococcales;Batten,1996
2. Chapter 20E. Upper Jurassic and Cretaceous miospores;Batten,1996
3. Boulton, G. S. , Jones, A. S. , Clayton, K. M. & Kenning, M. J. 1977. A British ice sheet model and patterns of glacial erosion and deposition in Britain. In: Shotton, F. W. (ed.) British Quaternary Studies: recent advances. Clarendon Press, Oxford, 231–246.
4. Late Devensian glaciation, ice-dammed lake and river diversion, Stiffkey, north Norfolk, England
5. British Geological Survey 2002. Cromer. Keyworth, Nottingham: British Geological Survey, England and Wales Sheet 131. 1: 50 000.