@article{Hari1999,
	title = {Performance analysis of a modified spatial smoothing technique for
	direction estimation},
	author = {K. V. S. Hari and B. V. Ramakrishnan},
	journal = {Signal Processing},
	month = {Nov},
	number = {1},
	pages = {73--85},
	url = {http://www.sciencedirect.com/science/article/B6V18-3XNK725-6/1/088ec2b260c38dfad3843498acbf73ef},
	volume = {79},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/2f36d6815953548d792152accb7bf956f/smicha},
	keywords = {Performance analysis }
}