Citation: Fem. Lilley et al., Earth's magnetic field: ocean current contributions to vertical profiles in deep oceans, GEOPHYS J I, 147(1), 2001, pp. 163-175
Citation: Ap. Hitchman et al., Electromagnetic induction information from differences at aeromagnetic crossover points, GEOPHYS J I, 145(1), 2001, pp. 277-290
Citation: Fem. Lilley et al., Time-varying effects in magnetic mapping: Amphidromes, doldrums, and induction hazard, GEOPHYSICS, 64(6), 1999, pp. 1720-1729