Hardy, Colin M. Livermore, Philip W. Niesen, Jitse Luo, Jiawen Li, Kuan ESM4: from Determination of the instantaneous geostrophic flow within the three-dimensional magnetostrophic regime Maple worksheet which uses the implicit method with a small timestep to approximate the instantaneous geostrophic flow. Taylor's constraint;dynamos;Earth's core 2018-09-20
    https://rs.figshare.com/articles/dataset/ESM4_from_Determination_of_the_instantaneous_geostrophic_flow_within_the_three-dimensional_magnetostrophic_regime/7109105
10.6084/m9.figshare.7109105.v1