Ghibaudo, Guido, Francesco Massari, and Igor Chiambretti. 2014. “Oligo-Miocene Tectono-Sedimentary Evolution of the Langhe Sub-Basin: From Continental to Basinal Setting (Tertiary Piedmont Basin - Northwestern Italy)”. Journal of Mediterranean Earth Sciences 6 (1). https://doi.org/10.3304/JMES.2014.002.