Bravi S, Cappelletti P, Rispoli C, Lorusso M. Nodules and chert layers in the Ichtyolitic Limestones Formation of Civita of Pietraroja (Southern Apennines, Italy). A genetical model. BORNH [Internet]. 17 aprile 2023 [citato 20 aprile 2025];3(1):1-17. Available at: https://serena.sharepress.it/index.php/bornh/article/view/9978