@INPROCEEDINGS {9443,
author={P. G. Gaspar and A. Rocha and J. Neves},
booktitle={European Conf. on Antennas & Propagation - EUCAP},
title={ITU Attenuation Model Evaluation with a New 4. Years Ka-Band Database},
year={2009},
month={March},
volume={1},
pages={308-312} 
}