The video of the Nature paper:
Diana Hicks, Paul Wouters, Ludo Waltman, Sarah de Rijke, Ismael Rafols (2015) The Leiden Manifesto for research metrics: use these 10 principles to guide research evaluation. Nature, April 23, 520:429-431, doi:10.1038/520429a.
Translated into: Chinese, Spanish, French, Brazilian Portuguese, Persian and Catalan see: leidenmanifesto.org/translations.html