KEMPE, S.; DRIKS, H. Layla Lakes, Saudi Arabia: The World-Wide Largest Lacustrine Gypsum Tufas. Acta Carsologica, Ljubljana, Slovenija, v. 37, n. 1, 2008. DOI: 10.3986/ac.v37i1.156. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/156. Acesso em: 30 jun. 2024.