1. Are the chimneys of burrowing crayfish designed?;Abbott;Am. Nat.,1884
2. Bioturbation in eolian deposits;Ahlbrandt;J. Sediment. Petrol.,1978
3. Ferruginous concretions around root channels in clay and fine sand deposits;Alhonen;Bull. Geol. Soc. Finl.,1975
4. Sediments of the modern Niger delta: a summary and review;Allen,1970
5. On the workings of some crabs on the sandy beach of western Sundarban, Bengal Delta, India;Baksi;J. Geol. Soc. India,1980