1. Ager, D. V. 1963. Principles of paleoecology. New York, McGraw-Hill, 371 p.
2. Allen, J. R. L. 1971. Massive beds in the central Pennine basin: a discussion. Yorkshire Geol. Soc., Proc., 38:293–294.
3. Barr, J. L. et al. 1970. Large epoxy peels. Jour. Sed. Petrol., 40:445–449.
4. Brown, W. E. and H. W. Patnode. 1953. Plastic lithification of sands in situ. Amer. Assoc. Petrol. Geol., Bull., 37:152–157.
5. Bouma, A. H. 1964. Sampling and treatment of unconsolidated sediments for study of internal structures. Jour. Sed. Petrol., 34:349–354.