The Alternatives feature will use the DOI and/or ISBNs on a page to find alternative access to a document, by checking your SFX API.
If you are using IP addresses to differentiate access rights, please ensure to add the following two IP Addresses to your SFX setup within the most appropriate access group to ensure that Lean Library is able to provide correct responses to your users.
Lean Library IP addresses:
- 54.171.115.177
- 63.32.50.41
- 63.34.44.221