1. Present-day stress field and seismotectonic block movements along major fault zones in Central Europe
2. Ambraseys, N. & Melville, C. 1983. Seismicity of the British Isles and the North Sea. SERC Marine Technology Centre, Imperial College, London.
3. Anderson J. G. C. Owen T. R. (1980) The Structure of the British Isles (Pergamon Press, Oxford).
4. Intra-Lower Palaeozoic faults in the Southern Irish Sea area;Baker;Geological Magazine,1971
5. The Old Red Sandstone of Brown Clee Hill and the adjacent area. Part I: stratigraphy;Ball;Bulletin of the British Museum for Natural History (Geology),1961