Recommended Citation
Postprint version. Published in Proceedings of the National Academy of Sciences of the United States of America, Volume 105, Issue 50, December 16, 2008.
Page E109.
The definitive version is available at https://doi.org/10.1073/pnas.0808976106.
Disciplines
Social and Behavioral Sciences
Copyright
URL: https://digitalcommons.calpoly.edu/ssci_fac/31