Bulletin of the Geological Society of America, 131(3-4), 499-520. Geological Society of America Francescone, F, Lauretano, V, Bouligand, C, Moretti, M, Sabatino, N, Schrader, C, Catanzariti, R, Hilgen, F, Lanci, L, Turtù, A, Sprovieri, M, Lourens, L & Galeotti, S 2018, ' A 9 million-year-long astrochronological record of the early-middle Eocene corroborated by seafloor spreading rates ', Bulletin of the Geological Society of America, vol. 131, no. 3-4, pp. 499-520 . https://doi.org/10.1130/B32050.1 Geological Society of America bulletin 131 (2019): 499–520. doi:10.1130/B32050.1 info:cnr-pdr/source/autori:Francescone F.[1], Lauretano V.[2], Bouligand C.[3], Moretti M.[1], Sabatino N.[4], Schrader C.[5], Catanzariti R.[6], Hilgen F.[5], Lanci L.[1], Turtù A.[7], Sprovieri M.[4], Lourens L.[5], Galeotti S.[1]/titolo:A 9 million-year-long astrochronological record of the early-middle Eocene corroborated by seafloor spreading rates/doi:10.1130%2FB32050.1/rivista:Geological Society of America bulletin/anno:2019/pagina_da:499/pagina_a:520/intervallo_pagine:499–520/volume:131 Geological Society of America Bulletin, 131(3-4), 499. Geological Society of America