A
single citation
covering different articles of different degrees of
specificity or a
single citation
covering papers presented at a meeting. A subject
overall refers to a
series of articles on a
single subject; a congress
overall refers to papers presented at a formal local, regional, national, or
international gathering; a society
overall refers to papers presented at an annual, semi-annual, monthly, weekly, or another
meeting of a society, academy, institute, hospital, etc. The publication
type may be used for a
single citation with or
without the
additional indexing or cataloging of
individual papers. The
individual papers, however, are not labelled overall.