| 4820 | |
| National Science Foundation | |
| Academic Research and development - Outputs of Scientific and Engineering Research: Articles and Patents: Chapter 5, Science and Engineering Indicators 2002 | |
| bibliometrics / indicators / United States Articles / Patents | |
| www.nsf.gov/sbe/srs/seindo2/c5/c5h.htm | |
| 2002 | |