Journal
SCIENCE
Volume 321, Issue 5891, Pages 930-930Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1157566
Keywords
-
Categories
Funding
- Directorate For Engineering [0751621] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn [0751621] Funding Source: National Science Foundation