1. The Marl Slate and basal Permian breccia at Middridge, Co. Durham;Bell,1979
2. An annotated map of the Permian and Mesozoic formations of East Greenland;Callomon;Medd. Groenl.,1972
3. IGS marine drilling with M.V. Whitethorn in Scottish waters 1970–1971;Chesher,1972
4. Convolute lamination in modern sands of the estuary of the Oosterschelde, the Netherlands, formed as the result of entrapped air;De Boer;Sedimentology,1979
5. Lithofacies—Palaeographical Atlas of the Permian of Platform Areas of Poland;Depowski,1978