1. Palaemon elegans, an intermediate host in the lifecycle of Aggregata octopiana;Arias;Dis. Aquat. Org.,1998
2. Bettencourt V. and Guerra A. (2001): Age studies on daily increments in statolith and growth lamellae in cuttlebone of cultured Sepia officinalis. Marine Biology (in press).
3. Growth and life-spawn of Sepia officinalis under artificial conditions (Mollusca, Cephalopoda). Rapp. Com;Boletzky;Int. Mer Médit,1979
4. The diet of Sepia officinalis (Linnaeus, 1758) and Sepia elegans (Blainville, 1827) (Cephalopoda: Sepioidea) from the Ría de Vigo (NW Spain);Castro;Sci. Mar.,1990
5. Culling C. F. A., Allison R. T. and Barr W. T. (1985): Cellular Pathology Techniques. Butterworth & Co. Ltd.