[Cirilli 1998]
Cirilli, S.; Pirini Radrizzani, C.; Ponton M. und Radrizzani S. (1998).
Stratigraphical and palaeoenvironmental analysis of the Permian-Triassic transition in the Badia Valley (Southern Alps, Italy).
Palaeogeography, Palaeoclimatology, Palaeoecology 138, S. 85-113.