Columbia subject headings:
Earth science instruments--Congresses.
Earth sciences--Data processing--Congresses.
Earth sciences--Remote sensing--Congresses.
Remote sensing--Congresses.
Space sciences--Data processing--Congresses.
Harvard subject headings:
Earth science instruments--Congresses.
Earth sciences--Data processing--Congresses.
Earth sciences--Remote sensing--Congresses
Geographic information systems--Congresses
Remote sensing--Congresses.
Space sciences--Data processing--Congresses.
Princeton subject headings:
Earth sciences--Data processing--Congresses.
Information storage and retrieval systems--Earth sciences--Congresses.
Information storage and retrieval systems--Space sciences--Congresses.
Remote sensing--Data processing--Congresses.
Space sciences--Data processing--Congresses.