A Tracing Algorithm for Flow Diagnostics on Fully Unstructured Grids With Multipoint Flux Approximation - Zhang, Z; Geiger, S; Rood, M; Jacquemyn, C; Jackson, M; Hampson, G; De, Carvalho FM; Marques, Machado Silva CC; Machado, Silva JD; Sousa, MC (SPE Journal, 2017)