Darn H. Hsiao and  Zhu-Yun Zheng,  Simplified Empirical Method for Predicting Liquefaction Potential and Its Application to Kaohsiung Areas in Taiwan.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 482 - 490
    [viewed 12 November 2019]. Available from: https://publications.waset.org/pdf/10010540.