Columbia subject headings:
Earth sciences--Remote sensing--Congresses.
Lasers--Congresses.
Oceanography--Remote sensing--Congresses.
Plants--Effect of stress on--Remote sensing--Congresses.
Remote sensing--Equipment and supplies--Congresses.
Harvard subject headings:
Princeton subject headings:
Earth sciences--Remote sensing--Congresses.
Lasers--Congresses.
Oceanography--Remote sensing--Congresses.
Plants--Effect of stress on--Remote sensing--Congresses.
Remote sensing--Equipment and supplies--Congresses.