Columbia subject headings:
Documentation--Congresses.
Information storage and retrieval systems--Science--Congresses.
Information storage and retrieval systems--Technology--Congresses.
Harvard subject headings:
Documentation--Congresses.
Information storage and retrieval systems--Science--Congresses.
Information storage and retrieval systems--Technology--Congresses.
Princeton subject headings:
Documentation--Congresses.
Information storage and retrieval systems--Science--Congresses.
Information storage and retrieval systems--Technology--Congresses.