Columbia subject headings:
Artificial satellites in remote sensing--Congresses.
Geodesy--Congresses.
Remote sensing--Congresses.
Harvard subject headings:
Artificial satellites in remote sensing--Congresses.
Geodesy--Congresses.
Physical geography--Remote sensing--Congresses.
Remote sensing--Congresses.
Princeton subject headings:
Artificial satellites in remote sensing--Congresses.
Geodesy--Congresses.
Remote sensing--Congresses.