Before revision: The Leiden Manifesto for research metrics is a list of "ten principles to guide research evaluation", published as a comment in Volume 520, Issue 7548 of Nature, on 22 April 2015.
After revision: (LM)The Leiden Manifesto for research metrics is a list of "ten principles to guide research evaluation", published as a comment in Volume 520, Issue 7548 of Nature, on 22 April 2015.