Collaborations span 1,553 kilometres
Nature
.
2011 May 12;473(7346):154.
doi: 10.1038/473154a.
Authors
Robert J W Tijssen
,
Ludo Waltman
,
Nees Jan van Eck
PMID:
21562547
DOI:
10.1038/473154a
No abstract available
Publication types
Letter
MeSH terms
Communication
Cooperative Behavior*
Humans
International Cooperation
Science / statistics & numerical data*
Science / trends