Forti, Paolo, Ermanno Galli, Antonio Rossi, John Pint, and Susana Pint. 2016. “Ghar Al Hibashi Lava Tube: The Richest Site in Saudi Arabia for Cave Minerals”. Acta Carsologica 33 (2). Ljubljana, Slovenija. https://doi.org/10.3986/ac.v33i2.299.