A comparison of the scientific performance of the U.S. and the European union at the turn of the 21st century
- Albarrán, P.
- Crespo, J.A.
- Ortuño, I.
- Ruiz-Castillo, J.
ISSN: 0138-9130
Year of publication: 2010
Volume: 85
Issue: 1
Pages: 329-344
Type: Article