@inbook{inbooke26285da,
title   = {The Barremian-Aptian boundary in the Poggio le Guaine core (central Italy): evidence for magnetic polarity Chron M0r and oceanic anoxic event 1a},
author = {Savian, Jairo F and Trindade, Ricardo Ivan Ferreira da and Janikian, Liliane and Jovane, Luigi and Almeida, Renato Paes de and Coccioni, Rodolfo and Frontalini, Fabrizio and Sideri, Marianna and Figueiredo, Milene and Tedeschi, Leonardo R. and Jenkyns, Hugh C},
year = {2016},
doi = {10.1130/2016.2524(05)},
publisher = {The Geological Society of America},
journal   = {The stratigraphic record of Gubbio: integrated stratigraphy of the late Cretaceous-Paleogene Umbria-Marche Pelagic Basin}
}