Beche, H.T. Report on the geology of Cornwall, Devon, and West Somerset / by Henry T. de la Beche , published by order of the Lords Commissioners of Her Majesty's Treasury; H.T. Beche .— : Published by Longman Orme Brown Green and Longmans, 1839 .— 721 с. — Lang: eng .— URL: https://rucont.ru/efd/95065 (дата обращения: 20.11.2025)