Denise Troll Covey has self-archived "Publishers and Universities Respond to the OSTP Mandate" in SelectedWorks.
Here's an excerpt:
Brief summary and comparison of the Clearinghouse for the Open Research of the United States (CHORUS) announced by the Association of American Publishers and the Shared Access Research Ecosystem (SHARE) announced by the American Association of Universities, Association of Public and Land-grant Universities, and Association of Research Libraries.
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