TY - BOOK AU - Jones,C.R. TI - Geology and Mineral Resources of Perlis, North Kedah and The Langkawi Islands: Geological Survey Malaysia, District Memoir 17 PY - 0000///25 cm CY - Percetakan Surat Sdn. Bhd., 141, Jalan Abdul Samad, Kuala Lumpur PB - Geological Survey Headquarters, Gurney Road, Kuala Lumpur and Geological Survey Laboratories, P.O. Box 1015, Ipoh KW - Geology KW - Rocks and minerals KW - Perlis and Kedah N1 - Includes Index; Includes references ER -