Answered By: Andy Tucker
Last Updated: Jan 15, 2019     Views: 9

Online articles sometimes change their Web addresses (URL). Many style formats recommend that you cite a Digital Object Identifier (DOI) to identify an article, rather than the URL.

DOI’s attempt a stable link for online articles. Every DOI is unique to a specific document and consists of code made up of numbers and letters.

DOI: 10.1093/jaarel/XXIII.2.149

  • Not every publisher will assign DOI numbers to articles. Many articles don’t have a DOI number.
  • Older articles in particular may not have a DOI number.
  • Some article databases provide a DOI number, but not all.

If you can’t find the DOI for an article, you can look it up using this free service: Crossref.org 

Once I have the DOI, how do I find the article online? 

  • The following free service will create a URL from your DOI Number: DOI.org
  • This allows you to find the article online. Be aware that many articles may only be viewed and downloaded by TWU students and faculty using your Portal username and password.  

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