Read a file with a bibliographic database of the format specified
by the String
. If the String
is empty the file extension will
be used to identify the format.
Supported formats are: "mods"
, "bibtex"
, "biblatex"
,
"ris"
, "endnote"
, "endnotexml"
, "isi"
,
"medline"
, and "copac"
.