@INPROCEEDINGS {15903,
author={M. Perdigão and M. F. Menke and A. R. Seidel Seidel and R. A. Pinto A. Pinto and J. Álvarez},
doi={0},
booktitle={IEEE Industry Application Society Annual Meeting},
title={A review on variable inductors and variable transformers: Applications to lighting drivers},
year={2014},
month={October},
volume={xx},
pages={xx-xx} 
}