@inproceedings{WNB:03,
	author={N.~Wong and T.-S.~Ng and V.~Balakrishnan},
	title={A Geometrical Approach to
Robust Minimum Variance Beamforming}, 
	booktitle={Proc.\ International Conference on Acoustics, Speech, and Signal
  Processing},
	year={2003},
        month=apr,
	note={},
	address={Hong Kong}
}