Sevink, Jan, et al. “A Rare Mid-Würmian Lithoid Tuff in the Agro Pontino Graben (Southern Lazio, Italy) and Its Identification As an Albano 5-7 Related Distal Tephra Deposit (41-36 kaBP): Characteristics, Provenance and Palaeogeographical Implications”. Annals of Geophysics, vol. 61, no. 1, Mar. 2018, p. SE109, https://doi.org/10.4401/ag-7534.