Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
June
1997
Volume: 276
Issue: 5321
Pages: 2012-2014
Article
DOI: 10.1126/science.276.5321.2012
SO-VID: c96c1dca-498f-4173-baae-35e7595c6b92