@INPROCEEDINGS {28506,
author={H.  Ramos and T. Rocha and A. L. Ribeiro and D. Pasadas},
doi={10.1109/I2MTC.2014.6860875 },
booktitle={IEEE International Instrumentation and Technology Conf. - I2MTC},
title={GMR Versus Differential Coils in Velocity Induced Eddy Current Testing},
year={2014},
month={May},
volume={0},
pages={915-918} 
}