1. Frequency-dependent selection by predators;Allen;Philosophical Transactions of the Royal Society of London Series B, Biological Sciences,1988
2. Studies on Cepaea. VII. Climatic selection in Cepaea nemoralis (L.) in the Pyrenees;Arnold;Philosophical Transactions of the Royal Society of London Series B, Biological Sciences,1968
3. Maintenance mechanism of a supergene for shell colour polymorphism in the terrestrial pulmonate Bradybaena similaris;Asami;Basteria,2008
4. Spatial structure of shell polychromatism in populations of Cepaea nemoralis: a new technique for an old debate;Bellido;Heredity,2002
5. Entstehung von Populationen mit bestimmte Variantenzahl bei der Landschneckengattung Cepaea Held;Boettger;Zeitschrift für indukt Abstammungs- und Vererbungslehre,1931