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What is a DOI?

DOI

DOI is a Digital Object Identifier.

This sequence of characters assigned to an online article provides a persistent link to a published online article. Each persistent link provides

  • an abstract of the article 
  • an opportunity to acquire the full text version of the article.

Why do you need to know?
A DOI is required by some citation styles (APA, Chicago)

 

For more information visit, the Digital Object Identifier System.

When using NoodleTools, there will be an entry field for the DOI.