Title:
Communications of the ACM
Abbreviated Title:
Commun. ACM
Publisher:
Association for Computing Machinery (ACM)
ISSN
(Print):
00010782
Publication date
(Print):
June
1990
Volume: 33
Issue: 6
Pages: 668-676
Article
DOI: 10.1145/78973.78977
SO-VID: 78ab6267-33bf-4f36-b577-a253c7a682d7