Philip M. Smallwood, et.al., Genetically engineered mice with an additional class of cone photoreceptors: implications for the evolution of color vision., Proceedings of the National Academy of Sciences of the United States of America, 2003, 100
Philip M. Smallwood, et.al., Genetically engineered mice with an additional class of cone photoreceptors: implications for the evolution of color vision., Proceedings of the National Academy of Sciences of the United States of America, 2003, 100