1. The Mam Tor sandstones, a "turbidite" facies of the Namurian deltas of Derbyshire, England
2. Asymmetrical Ripple Marks and the Origin of Cross-Stratification
3. D. P. Ashwin, 1958 . The Structure and Sedimentation of the Culm Sediments between Boscastle and Bideford, North Devon . Ph. D. thesis , Imperial College, London (unpubl.).
4. A. H. Bouma, 1962 . Sedimentology of Some Flysch Deposits; a Graphic Approach to Facies Interpretation . Elsevier, Amsterdam, 168 pp.
5. On ripples and related sedimentary surface forms and their paleogeographic interpretation