Md Khairullah and  Hai-Xiang Lin and  Remus G. Hanea and  Arnold W. Heemink,  Parallelization of Ensemble Kalman Filter (EnKF) for Oil Reservoirs with Time-lapse Seismic Data.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 1076 - 1084
    [viewed 25 September 2020]. Available from: https://publications.waset.org/pdf/16317.