Answered By: Jennifer Bazeley Last Updated: Sep 26, 2021 Views: 0
Sometimes the same e-book is published by multiple vendors on separate platforms. In order to uniquely identify e-books, vendors register them with an organization called CrossRef to receive Digital Object Identifiers, or DOIs. DOIs are unique and can be used to create stable links that look like this:
Yale uses these links in the library catalog because they are stable and permanent.
If an e-book is published by multiple vendors and has a DOI link like the one above, the link may open to a special "co-access" page.
To access Yale's copy, click on the Go to content link in the highlighted "clicked link" entry: