1. Ashton, P. S. (1976) Mixed dipterocarp forest and its variation with habitat in Malayan lowlands: a re-evaluation of Pasoh. Malay. For. 39: 56–72.
2. Ashton, P. S., Boscolo, M., Liu, J. & LaFrankie, J. V. (1999) A global programme in interdisciplinary forest research: The C TFS perspective. J. Trop. For. Sci. 11: 180–204.
3. Condit, R. (1995) Research in large, long-term tropical forest plots. Trends Ecol. Evol. 10: 18–22.
4. Condit, R. (1998) Tropical forest census plots: Methods and results from Barro Colorado Island, Panama and a comparison with other plots. Springer-Verlag, Berlin.
5. Corner, E. J. H. (1940) Wayside trees of Malaya. Government Printer, Singapore. 861pp.