Agertz, O., Moore, B., Stadel, J., Potter, D., Miniati, F., Read, J., Mayer, L., Gawryszczak, A., Kravtosov, A., Nordlund, A., Pearce, F., Quilis, V., Rudd, D., Springel, V., Stone, J., Tasker, E., Teyssier, R., Wadsley, J., & Walder, R. (2007). Fundamental differences between SPH and grid methods. Monthly Notices of the Royal Astronomical Society, 380(3), 963-978. doi:10.1111/j.1365-2966.2007.12183.x.