Marroni, M., G. Molli, A. Montanini, G. Ottria, L. Pandolfi, and R. Tribuzio. “THE EXTERNAL LIGURIAN UNITS (NORTHERN APENNINE, ITALY): FROM RIFTING TO CONVERGENCE OF A FOSSIL OCEAN-CONTINENT TRANSITION ZONE”. Ofioliti, vol. 27, no. 2, July 2002, pp. 119-31, doi:10.4454/ofioliti.v27i2.182.