1. The methodology of kineto-stratigraphy as applied to glacial geology;Berthelsen;Bull. Geol. Soc. Denmark,1978
2. The role of thermal regime in glacial sedimentation;Boulton;Inst. Brit. Geogr. Sp. Publ.,1972
3. Underneath the glaciers;Boulton;Geog. Mag.,1973
4. The Ice Age in the Isle of Man;Cubbon;Proc. Isle of Man Nat. Hist. Antiq. Soc.,1957