...

You must register to use Crossref OpenURL.  You register with an email address and enter the email address into Islandora in the menu at Home » Administration » Islandora » Solution pack configuration » Scholar .  There is no fee to register for this service.  (This is an API for inputting a DOI and retrieving metadata in XML.  Islandora Scholar Core does not interface with Crossref in any capacity which would allow minting of DOIs.)

For more information about Crossref Open URL or to register, click here.

Citation Collection & Citation Style Management

...