Zong, Y., Kemp, A., Yu, F., Lloyd, J., Huang, G., & Yim, W. (2010). Diatoms from the Pearl River estuary, China and their suitability as a water salinity indicator for coastal environments. Marine Micropaleontology, 75(1-4), 38-49. https://doi.org/10.1016/j.marmicro.2010.02.004