M. T. Sichani and  B. J. Pedersen and  S. R. K. Nielsen,  Stochastic Subspace Modelling of Turbulence.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2009, vol. 34(10). 443 - 451
    [viewed 23 April 2021]. Available from: https://publications.waset.org/pdf/15627.