Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
January
31 1997
Volume: 275
Issue: 5300
Pages: 668-670
Article
DOI: 10.1126/science.275.5300.668
SO-VID: a1c1e759-25bd-43d6-a89d-1c9bf3424c33
Copyright © ©
1997