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2. Relationships of the Palaearctic lizards assigned to the genera Lacerta, Algyroiaes and Psammodromus (Reptilia: Lacertidae);Arnold;Bulletin of the British Museum (Natural History) (Zool.),1973
3. Variation in the cloacal and hemipenial muscles of lizards and its bearing on their relationships.;Arnold;Symposia of the Zoological Society of London,1984
4. The hemipenis of lacertid lizards (Reptilia: Lacertidae): structure, variation and systematic implications.;Arnold;Journal of Natural History,1986
5. Towards a phylogeny and biogeography of the Lacertidae: relationships within an Old-World family of lizards derived from morphology;Arnold;Bulletin of the British Museum (Natural History),1989a