[1]
W. Wahyudi and M. Minagawa, “The Last 41.000 Years Fluctuation in Atmosperic CO2 Concentration Inferred from The Changes in Oxygen and Carbon Stable Isotopes Ratios of The Marine Sediment”, Eksplorium: Bul. Pus. Bang. BGN, vol. 33, no. 1, pp. 15–24, Nov. 2013.