Columbia subject headings:
Harvard subject headings:
Information storage and retrieval systems--Geology--Congresses.
Information storage and retrieval systems--Geophysics--Congresses.
Princeton subject headings:
Geology--Data processing--Congresses.
Geophysics--Data processing--Congresses.
Information storage and retrieval systems--Geology--Congresses.
Information storage and retrieval systems--Geophysics--Congresses.