Меловой период

Linnert, C., Robinson, S.A., Lees, J.A., Pérez-Rodríguez, I., Jenkyns, H.C., Petrizzo, M.R., Arz, J.A., Bown, P.R. and Falzoni, F. (2017) Did Late Cretaceous cooling trigger the Campanian–Maastrichtian Boundary Event? // Newsletters on Stratigraphy. DOI: 10.1127/nos/2017/0310

статья в открытом доступе,
http://www.ingentaconnect.com/content/s ... 310_prepub