Citation: N. Nozzoli, Micropaleontological study of radiolarium cherts in the ophiolitic sequence south of Leghorn, Ofioliti (Bologna) Bollettino del gruppo di lavoro sulle ofioliti mediterranee , 11(03), 1986, pp. 339-342
Citation: M. Chiari et al., RADIOLARIAN BIOSTRATIGRAPHY IN THE SEDIMENTARY COVER OF THE OPHIOLITES OF SOUTH-WESTERN TUSCANY, CENTRAL ITALY, Eclogae Geologicae Helvetiae, 90(1), 1997, pp. 55-77