Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
December
1997
Volume: 278
Issue: 5346
Pages: 2075-2080
Article
DOI: 10.1126/science.278.5346.2075
SO-VID: 5deb441c-fd6e-405e-b7a0-8ea8ec1791af