General Bulk-Viscous Solutions and Estimates of Bulk Viscosity in the Cosmic Fluid. - Ben David Normann; Iver Brevik (Entropy, 2016)

Remarks on Cosmological Bulk Viscosity in Different Epochs. - Iver Brevik; Ben David Normann (Symmetry, 2020)

Simulation Of Gravitational Lensing In The Roulette Formalism. - Hans Georg Schaathun; Ben David Normann; Einar Leite Austnes; Simon Ingebrigtsen; Sondre Westbo Remoy; Simon Nedreberg Runde (ECMS, 2023)