
OpenURL Referrer is a Firefox extension that converts bibliographic citations in the form of COinS into URLs.
Once you have installed OpenURL Referrer in Firefox, go to the Tools menu and choose the Add-ons command. This will display the list of installed Add-ons:

Select OpenURL Referrer and click on the Preferences button to display the Preferences dialog box:

Do the following:
will then be displayed on web pages which contain COinS.When you visit a web page that contains COinS the OpenURL referrer will insert a link (labelled with the text or the image you selected above) into the web page. Clicking on that link will take you to BioStor's OpenURL resolver.
If your installation of OpenURL referrer worked, you should see a link immediately below this sentence: