1. Chapter 1: Introduction;Autrum,1979
2. On the Evolution of Photoreceptors and Eyes;v Salvini-Plawen,1977
3. The master control gene for morphogenesis and evolution of the eye;Gehring;Genes Cells,1996
4. The genetic control of eye development and its implications for the evolution of the various eye types;Gehring;Int. J. Dev. Biol.,2002
5. Eye ancestry: old genes for new eyes;Nilsson;Curr. Biol.,1996