1. Askew, G.P. 1964. The mountain soils of the east ridge of Kinabalu. Proc. Roy. Soc. Lond. B 161: 65–74.
2. Audley-Charles, M.G. 1981. Geological history of the region of Wallace’s Line. In: T.C. Whitmore (ed.), Wallace’s Line and Plate Tectonics. Clarendon Press, Oxford.
3. Audley-Charles, M.G. 1987. Dispersal of Gondwanaland: relevance to the evolution of angiosperms. In: T. C. Whitmore (ed.), Biogeographical evolution of the Malay Archipelago. Clarendon Press, Oxford.
4. Audley-Charles, M.G., D. J. Carter, A.J. Barber, M.S. Norvick & S. Tjokrosapoetro. 1979. Reinterpretation of the geology of Seram: implications for the Banda Arcs and Northern Australia. J. Geol. Soc. Lond. 136: 547–568.
5. Avery, B.W., & C.L. Bascomb. 1974. Soil survey laboratory methods. Soil Survey Technical Monograph no. 6. Harpenden.