I have multiple bib files. I would like to use different text colors for all the references mentioned in different bib files. Secondly, I would like a custom prefix for each bib file.
Please let me know how can I do it?
The result should be similar to as follows:
[R1] uses [O1] and [R2] is based on [O2].
The color of references mentioned in section "References" should be black, where as color of references mentioned in section "Other references" should be blue.
Any example should work with the
elsarticle class such as