- Otsamo, A., T. S. Hadi, L. Kurniati, and R. Vuokko. 1999. Early performance of 12 Acacia crassicarpa provenances on an Imperata cylindrica dominated grassland in South Kalimantan, Indonesia. Journal of Tropical Forest Science 1136-46.
- Otsamo, A., T. Hadi, L. Kurniati, and R. Vuokko. 1999. Early performance of 12 Acacia crassicarpa provenances on an Imperata cylindrica dominated grassland in South Kalimantan, Indonesia . Journal of Tropical Forest Science 11:36-46.