1. The Geology of Singapore and Surrounding Islands;Alexander,1950
2. An evaluation of plate tectonic models for the development of Sumatra;Barber;Gondwana Research,2003
3. The geology of Indonesia, vol 1A;Bemmelen,1949
4. The Geochronology of the Malayan Granites;Bignell,1972
5. Geochronology of Malaysian Granites;Bignell,1977