Article • Acta Palaeontologica Polonica, September 2012, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)
Article • Acta Palaeontologica Polonica, March 2012, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)
Article • Acta Palaeontologica Polonica, December 2011, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)