Quang, C. D., and N. T. Tham. “Determining the Geological Age of Sequence G, Block 15-1/05 in Cuu Long Basin and the Relationship Between Palynological Assemblages and Sedimentary Depositional Cycles”. Petrovietnam Journal, Vol. 12, Dec. 2013, pp. 14-19, http://www.pvj.com.vn/index.php/TCDK/article/view/724.