bibtex-predefined-month-strings

bibtex-predefined-month-strings is a variable defined in `bibtex.el'.
Its value is shown below.

Documentation:
Alist of month string definitions used in the BibTeX style files.
Each element is a pair of strings (ABBREVIATION . EXPANSION).

You can customize this variable.

Value:

(("jan" . "January")
 ("feb" . "February")
 ("mar" . "March")
 ("apr" . "April")
 ("may" . "May")
 ("jun" . "June")
 ("jul" . "July")
 ("aug" . "August")
 ("sep" . "September")
 ("oct" . "October")
 ("nov" . "November")
 ("dec" . "December"))