G.L.S. Chua; B.L. Koh; S. Lau; S.C. Lee; M. Mathias; I. M. Turner; J.W. H. Yong; H. H. Heah. THE NUTRIENT STATUS OF THE PLATEAU HEATH FOREST ON GUNUNG KERIONG, PAHANG, PENINSULAR MALAYSIA. JTFS 1995, 8, 240-246.