Pandolfi, L.; Spadi, M.; Martinetto, E.; Kotsakis, T.; Esu, D. 2017. New data on the Lower Pleistocene (Gelasian) lignite beds of Castel San Pietro (Rieti, Central Italy). Rivista Italiana di Paleontologia e Stratigrafia 123 (2): 335-346, 6 figs. { copied = true; setTimeout(() => copied = false, 10000); }).catch(err => { console.error('Failed to copy:', err); }); " type="button" :class="copied ? 'bg-secondary border-secondary' : 'border-primary hover:bg-primary'" class="group lg:min-w-64 flex items-center justify-between gap-5 border border-solid px-5 py-2 cursor-pointer transition-colors"> PDF download available