P., K., L. U., and T. H. Phuong. “U-Pb Detrital Zircon Geochronology of Sedimentary Rocks in NE Vietnam: Implication for Early and Middle Devoni-an Palaeogeography”. Vietnam Journal of Earth Sciences, vol. 39, no. 4, Dec. 2017, pp. 303-2, doi:10.15625/0866-7187/39/4/10727.