Several aspects of the proposal, which aims to expand open access, require serious discussion and, in some cases, a rethink.
Image credit: Dave Cutler (artist).
Communicated by Russell J. Hemley, Carnegie Institution of Washington, Washington, DC, March 6, 2008 (received for review January 26, 2007)
Communicated by Russell J. Hemley, Carnegie Institution of Washington, Washington, DC, March 6, 2008 (received for review January 26, 2007)
Author contributions: M.C. and R.B. designed research; M.C. and P.F. performed research; M.C. and R.B. analyzed data; and R.B. and V.S. wrote the paper.
The authors declare no conflict of interest.
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