Columbia subject headings:
Harvard subject headings:
Information networks--Japan--Congresses.
Kokuritsu Kokkai Toshokan (Japan)--Congresses.
Library information networks--Japan--Congresses.
Princeton subject headings:
Information networks--Japan--Congresses.
Kokuritsu Kokkai Toshokan (Japan)--Congresses.
Library information networks--Japan--Congresses.