Template:Karl et al., 2012a
- Karl, H.-V., Gröning, E., Brauckmann, C. & Reich, M. 2012. Ballerstedtia bueckebergensis, a new turtle from the Early Cretaceous Wealden facies of Germany (Testudines: Pleurosternidae). Studia Palaeocheloniologica IV: 47–60. ResearchGate
