Title:
Journal of the ACM
Abbreviated Title:
J. ACM
Publisher:
Association for Computing Machinery (ACM)
ISSN
(Print):
00045411
Publication date
(Print):
September
1999
Volume: 46
Issue: 5
Pages: 604-632
Article
DOI: 10.1145/324133.324140
SO-VID: ae9a5e53-ab6e-4eb3-b8ca-7102bc34632e