Pelitic (and psammmtic) marker beds in the Langhe serie: volcaniclastic and ochraceous-carbonatic sediments. preliminary mineralogical and geochemical data
F. Tateo et E. Dinelli, Pelitic (and psammmtic) marker beds in the Langhe serie: volcaniclastic and ochraceous-carbonatic sediments. preliminary mineralogical and geochemical data, Bollettino della Societa Geologica Italiana Italian Journal of Geosciences, 116(1), 1997, pp. 39-50