1. A contribution to the geology of part of the Indonesian tinbelt: the sea areas between Singkep and Bangka Islands and around the Karimata Islands. Geological Society of Malaysia;Aleva;Bulletin,1973
2. Gerardia prevostiana;Auth;Herpetological Review,1990
3. Berry , P.-Y. 1975 Amphibian fauna of peninsular Malaysia
4. Brandon-Jones , D. 1998 Pre-glacial Bornean primate impoverishment and Wallace’s line Biogeography and Geological Evolution of SE Asia
5. Glacial climate in the tropics;Broeker;Science,1996