Anderson, J.A.R.; Muller, J. (1975). "Palynological study of a Holocene peat and a Miocene coal deposit from NW Borneo". Review of Palaeobotany and Palynology. 19 (4): 291–351. Bibcode:1975RPaPa..19..291A. doi:10.1016/0034-6667(75)90049-4.
Anderson, J.A.R.; Muller, J. (1975). "Palynological study of a Holocene peat and a Miocene coal deposit from NW Borneo". Review of Palaeobotany and Palynology. 19 (4): 291–351. Bibcode:1975RPaPa..19..291A. doi:10.1016/0034-6667(75)90049-4.