1. Natural selection of shell banding polymorphism in Theba pisana along climatic gradients;Bar Z.;Isr. J. Zool.,1976
2. Visual selection by tone of Cepaea nemoralis;Cain A. J.;J. Conch., Lond.,1953
3. The uniqueness of polymorphism of Cepaea (Pulmonata: Helicid) in western Europe;Cain A. J.;J. Conch., Lond.,1977
4. Transmission of light through the shells of Cepaea nemoralis (L.);Emberton L. R. B.;Proc. malac. Soc. Lond.,1963