Defined in file biblio.asn
C++ class: CCit_art
Cit-art ::= SEQUENCE { -- article in journal or book
title Title OPTIONAL , -- title of paper (ANSI requires)
authors Auth-list OPTIONAL , -- authors (ANSI requires)
from CHOICE { -- journal or book
journal Cit-jour ,
book Cit-book ,
proc Cit-proc } ,
ids ArticleIdSet OPTIONAL } -- lots of ids