Brusatte, Stephen L.; Butler, Richard J.; Sulej, Tomasz; Niedźwiedzki, Grzegorz. The taxonomy and anatomy of rauisuchian archosaurs from the Late Triassic of Germany and Poland. Acta Palaeontologica Polonica. 2009, 54 (2): 221–230. doi:10.4202/app.2008.0065.