Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
August
1997
Volume: 277
Issue: 5328
Pages: 918-924
Article
DOI: 10.1126/science.277.5328.918
SO-VID: 9c7f2cd3-6e4e-4667-8022-be80edd0c1fb