@book{1993--usenix-summer
,title={{Proceedings of the USENIX summer 1993 technical conference held in Cincinnati, Ohio, June 21--25}}
,booktitle={{Proceedings of the USENIX summer 1993 technical conference held in Cincinnati, Ohio, June 21--25}}
,publisher={USENIX Association}
,address={Berkeley}
,year={1993}
}