@INPROCEEDINGS {28,
author={C. A. Fernandes and A. Barbosa},
doi={},
booktitle={IEEE Mediterranean Electrotechnical Conference - MELECON},
title={Complex Wave Radiation of a Sheath Helix Excited in the n=1 Modes},
year={1985},
month={October},
volume={3},
pages={157-160} 
}