Reference

Riccardo Assereto, Luciano Brigo, Flavio Jadoul, Paolo Omenetto, Giuliano Perna, Franco Rodeghiero, Giorgio Vailati (1978): Recent Studies on Pb-Zn-Fluorite and Barite Deposits in the Mid- and Upper Triassic Series of the Lombardic Prealps (Northern Italy) – Verhandlungen der Geologischen Bundesanstalt – 1978: 197 - 204.