@incollection{dbarch,
	title={{Database Architectures}},
	author={A. Delis and V. Kanitkar and G. Kollios},
	booktitle={Encyclopedia of Electrical and Electronics Engineering},
	editor={John Webster}, 
	publisher={John Wiley and Sons},
        address={New York, NY}, 
	month={February},
	year={1999}
	}