@inproceedings{Cheswick90a,
	address={Anaheim, CA},
	author={William R. Cheswick},
	booktitle={Proceedings of the Summer USENIX Conference},
	month={June},
	title={The Design of a Secure Internet Gateway},
	url={http://www.cheswick.com/ches/papers/gateway.ps},
	year=1990,
}