@conference {973, title = {Accurate 3D localization of reflectors with an EMFi sensor array.}, booktitle = {2010 IEEE International Symposium on Industrial Electronics (ISIE 2010).}, year = {2010}, month = {07/2010}, pages = {2823-2827}, isbn = {978-1-4244-6391-6}, author = {Fernando J. {\'A}lvarez and A. Jim{\'e}nez and Ure{\~n}a, J. and Gude, I. and Daniel Ruiz and {\'A}lvaro Hern{\'a}ndez and Carlos De Marzziani and Mar{\'\i}a del Carmen P{\'e}rez and Joaquin Aparicio} }