1. The geometry of en echelon vein arrays;Beach;Tectonophysics,1975
2. The structure of Gower;George;Q. J. geol. Soc. Lond.,1940
3. The relations between folds and late-formed joints in South Pembrokeshire;Hancock;Geol. Mag.,1964
4. Axial-trace-fractures and deformed concretionary rods in South Pembrokeshire;Hancock;Geol. Mag.,1965
5. Relation of deformational fractures in sedimentary rocks to regional and local structures;Harris;Bull. Am. Ass. petrol. Geol.,1960