Title:
Communications of the ACM
Abbreviated Title:
Commun. ACM
Publisher:
Association for Computing Machinery (ACM)
ISSN
(Print):
00010782
Publication date
(Print):
September
1975
Volume: 18
Issue: 9
Pages: 509-517
Article
DOI: 10.1145/361002.361007
SO-VID: 3a07ecff-bbaf-43fe-987c-07c16001ba99