Lydia M. Mäthger; Alexandra Barbosa; Simon Miner; Roger T. Hanlon (2006), "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay", Vision Research, 46 (11): 1746–1753, doi:10.1016/j.visres.2005.09.035, PMID16376404, S2CID16247757
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Lydia M. Mäthger; Alexandra Barbosa; Simon Miner; Roger T. Hanlon (2006), "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay", Vision Research, 46 (11): 1746–1753, doi:10.1016/j.visres.2005.09.035, PMID16376404, S2CID16247757
Lydia M. Mäthger; Alexandra Barbosa; Simon Miner; Roger T. Hanlon (2006), "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay", Vision Research, 46 (11): 1746–1753, doi:10.1016/j.visres.2005.09.035, PMID16376404, S2CID16247757