Frey, R.W. and J.D. Howard (1972) Georgia coastal region, Sapelo Island, U. S. A. : Sedimentology and biology. VI. Radiographic study of sedimentary structures made by beach and offshore animals in aquaria. Senckenbergiana maritima4: 169–182.
Georgia coastal region, Sapelo Island, U. S. A. : Sedimentology and biology. VI. Radiographic study of sedimentary structures made by beach and offshore animals in aquaria