1. The geology and mineral resources of the neighbourhood of Bentong, Pahang and adjoining portions of Selangor and Negri Sembilan;Alexander;Malay. Geol. Surv. Mem. NS,1968
2. The chronology of the Malayan granites;Bignell,1972
3. Clay minerals: a guide to their X-ray identification;Carroll;Geo. Soc. America,1970
4. Geological map of West Malaysia;Geological Survey Malaysia,1973
5. Geochemistry;Goldschmidt,1954