Dramis, Francesco, Michele Soligo, Elena Graciotti, Maurizio D'Orefice, and Roberto Graciotti. 2008. “U/Th/Dating/of/a/Tufa/Deposit/from/the/Carsoli/Intramontane/Basin/(Abruzzo,/Italy)”. Geografia Fisica E Dinamica Quaternaria 31 (2): 255-58. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/310.