@INPROCEEDINGS {8135,
author={L. C. Cabria and J. A. Garcia and T.R. Cunha and A. Mediavilla and J. C. Pedro},
doi={},
booktitle={Target Days},
title={Impact of PA Long Term Memory Effects in Spatial Derivative Superposition Systems},
year={2006},
month={October},
volume={1},
pages={1-4} 
}