arearefs status label otherclass class doi isbn issn libraryofcongress other pubnumber uri pubwork article book chapter journal manuscript part refentry section series set language class class interface format linespecific linenumbering numbered unnumbered sepchar cmdlength label label linkends status colnum char colsep colwidth charoff colname rowsep align center char justify left right moreinfo none refentry moreinfo none refentry class limit linkend language linkend label