reftex-pop-to-bibtex-entry

reftex-pop-to-bibtex-entry is an autoloaded Lisp function in `reftex-cite.el'.

(reftex-pop-to-bibtex-entry KEY FILE-LIST &optional MARK-TO-KILL HIGHLIGHT ITEM RETURN)

Find BibTeX KEY in any file in FILE-LIST in another window.
If MARK-TO-KILL is non-nil, mark new buffer to kill.
If HIGHLIGHT is non-nil, highlight the match.
If ITEM in non-nil, search for bibitem instead of database entry.
If RETURN is non-nil, just return the entry and restore point.