Hassan, O., S�rensen, K. A., Hassan, O., Morgan, K., & Weatherill, N. P. (2003). A multigrid accelerated time-accurate inviscid compressible fluid flow solution algorithm employing mesh movement and local remeshing. International Journal for Numerical Methods in Fluids, 43(5), pp. 517-536. doi:10.1002/fld.590

Hassan, Oubay, K. A. S�rensen, O. Hassan, K. Morgan, and N. P. Weatherill. "A Multigrid Accelerated Time-accurate Inviscid Compressible Fluid Flow Solution Algorithm Employing Mesh Movement and Local Remeshing." International Journal for Numerical Methods in Fluids 43, no. 5 (2003): 517-536.

Hassan, Oubay, et al. "A Multigrid Accelerated Time-accurate Inviscid Compressible Fluid Flow Solution Algorithm Employing Mesh Movement and Local Remeshing." International Journal for Numerical Methods in Fluids 43.5 (2003): 517-536.