@ARTICLE {18998, author={VMM Machado}, doi={10.1016/j.jmmm.2015.10.104}, journal={Journal of Magnetism and Magnetic Materials}, title={Fluxball Magnetic Field Analysis using a Hybrid Analytical/FEM/BEM with Equivalent Currents}, year={2016}, month={March}, volume={401}, number={-}, pages={1173-1180}, ISSN={0304-8853} }