Luo, X. , Huang, J. , Wang, C. (2012), 'Mechanical Quadrature Methods and Their Extrapolations for Solving First Kind Boundary Integral Equations of Anisotropic Darcy-s Equation', World Academy of Science, Engineering and Technology, Open Science Index 68, International Journal of Mathematical and Computational Sciences, 6(8), 1157 - 1160.