deletions | additions       diff --git a/Linking Data.md b/Linking Data.md  index 23cd7f9..f9fac0b 100644  --- a/Linking Data.md  +++ b/Linking Data.md 
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Traditionally, the only citations within scholarly writing are to other scholarly writing. In some Journals today, URLs are allowed as footnotes, but not typically as full-fledged references within citations. This is for good reason. URLs are notoriously ephemeral, and URLs pointing to data have half-lives of less than a decade (Pepe et al. 2014, in press Alberto-- do you have an arXiV or PLoS link for this... https://www.authorea.com/users/3/articles/288/_show_article).   A great deal of scholarly fretting over how to offer robust, long-lived, links to data has gone on over especially the past decade (see \citet[][and (\cite[][and  references therein]{Goodman_2014}).