Maruli H. Simatupang and Uwe Schmitt 1994. WOOD EXTRACTIVES OF RUBBERWOOD (<em>HEVEA</em> <em>BRASILIENSIS</em>) AND THEIR INFLUENCES ON THE SETTING OF THE INORGANIC BINDER IN GYPSUM-BONDED PARTICLEBOARDS. Journal of Tropical Forest Science (JTFS) . 6, 3 (Mar. 1994), 269–285.