Edwards, M. G., & Zheng, H. (2008). A quasi-positive family of continuous Darcy-flux finite-volume schemes with full pressure support. Journal of Computational Physics, 227(22), pp. 9333-9364. doi:10.1016/j.jcp.2008.05.028

Edwards, Michael G., and Hongwen Zheng. "A Quasi-positive Family of Continuous Darcy-flux Finite-volume Schemes With Full Pressure Support." Journal of Computational Physics 227, no. 22 (2008): 9333-9364.

Edwards, Michael G., and Hongwen Zheng. "A Quasi-positive Family of Continuous Darcy-flux Finite-volume Schemes With Full Pressure Support." Journal of Computational Physics 227.22 (2008): 9333-9364.