B. Giaccio, R. Isaia, F. G. Fedele, E. Di Canzio, J. Hoffecker, A. Ronchitelli, A. A. Sinitsyn, M. Anikovich, S. N. Lisitsyn, V. V. Popov. The Campanian Ignimbrite and Codola tephra layers: Two temporal/stratigraphic markers for the Early Upper Paleolithic in southern Italy and eastern Europe // Journal of Volcanology and Geothermal Research 177, 2008. P. 208-226.
2008-Giacco_et_al-JVGR.pdf
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