1. Al-Rawi, F. R. J. 1980. A geophysical study of deep structures in southwest Britain.Thesis, PhD, Univ. Wales (unpubl.).
2. The geological interpretation of gravity and magnetic surveys in Devon and Cornwall
3. Bott M. H. P Scott P. (1964) in R. geol. Soc. Cornwall, Recent geophysical studies in southwest England, eds Hosking K. F. G. Shrimpton G. J. Present Views of Some Aspects of the Geology of Cornwall and Devon, pp 25–44.
4. Brooks M. Mechie J. Llewellyn D. J. (1983) in The Variscan Fold Belt in the British Isles, Geophysical investigations in the Variscides of southwest Britain, ed Hancock P. L. (Hilger), pp 186–97.
5. Thrust tectonics of S Devon