Kessler, Franz L., and John Jong. “Hydrocarbon Retention in Clastic Reservoirs of NW Borneo - Examples of Hydrocarbon Trap, Reservoir, Seal and Implications on Hydrocarbon Column Length”. Berita Sedimentologi, vol. 40, no. 1, Aug. 2021, pp. 6-44, doi:10.51835/bsed.2018.40.1.84.