What is a DOI?

A DOI (digital object identifier) is an alpha-numeric code assigned to a journal article.  It is intended to make articles easier to locate on the Internet.

How do I recognize it?

They usually start with a 10 and end with a z or an x.  Example: 10.1021/ja100167z

How do I use it?

Search by DOI in LibrarySearch.

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