Twidale, Charles Rowland, and Juan Ramón Vidal Romaní. 2020. “Are Corestones Due to Weathering and Or Tectonism? Problems and Suggestions”. Cadernos Do Laboratorio Xeolóxico De Laxe. Revista De Xeoloxía Galega E Do Hercínico Peninsular 42 (December):29-52. https://doi.org/10.17979/cadlaxe.2020.42.0.7268.