TY - BOOK AU - Scrivenor. J.B., AU - TI - The geology of the Langkawi Islands : : with a geological sketch map U1 - 912.595112 23 PY - 1923/// CY - [place of publication not identified] : PB - Malayan Branch of Royal Asiatic Society , KW - Geology N1 - From Journal of Malayan Branch of Royal Asiatic Soceity, Vol. 1, 1923 ER -