Tropical peat swamps : safe-guarding a global natural resource: proceedings of the International Conference and Workshop on Tropical Peat Swamps: Penang (Malaysia), 27-29 Jul, 1999, p. 3-6
Tropical peat swamps : safe-guarding a global natural resource: proceedings of the International Conference and Workshop on Tropical Peat Swamps: Penang (Malaysia), 27-29 Jul 1999, p. 25-30