Authors: PERRI M.C.

Citation: Perri M.c, Conodont biostratigraphy of the Werfen Formation (Lower Triassic), Southern Alps, Italy, Bollettino della Societa paleontologica italiana , 30(1), 1991, pp. 23-46

Authors: PERRI M.C. SPALLETTA C.

Citation: Perri M.c et C. Spalletta, Fammenian Conodonts from Cava Cantoniera and Malpasso section, Carnic Alps Italy, Bollettino della Societa paleontologica italiana , 30(1), 1991, pp. 47-78