On the lower silurian shelly fauna in the Langkawi Islands, Northwest Malaya - Kobayashi, T.; Jones, C.R.; Hamada, T. ((S.l. : s.n.), 1900)
Reprinted from Japanese Journal Geology ang geography, v.35, no.1, pp.73-80, pt.3, March 30, 1964.
Keywords: Razi, A.D.865 -- 925 al -- Razi, A.D.865 -- 925.; Palaeontolgy -- Ordovician