Geology of the country around Boscastle and Holsworthy (Explanation of the inland areas of one-inch geological sheet 322 and 1:50 000 geological sheet 323, new series)
M. C McKeown
London H.M. Stationery Off. 1973
Disponible en
IGC - Instituto de Geociências
(554.2 G345b )(Obténgalo)