@ARTICLE {17693, author={A. Roque Roque and D. M. Sousa Sousa and E. M. Margato and VMM Machado and G. D. Marques}, doi={10.1109/TASC.2015.2483599}, journal={IEEE Transactions on Applied Superconductivity}, title={Magnetic Flux Density Distribution in the Air Gap of a Ferromagnetic Core With Superconducting Blocks: Three-Dimensional Analysis and Experimental NMR Results}, year={2015}, month={December}, volume={25}, number={6}, pages={Art. ID 4301609-Art. ID 4301609}, ISSN={1051-8223} }