Columbia subject headings:
Aerospace telemetry--Congresses.
Optoelectronics--Remote sensing--Congresses.
Harvard subject headings:
Optoelectronic devices--Congresses.
Optoelectronic equipment--Congresses.
Remote sensing--Equipment and supplies--Congresses.
Princeton subject headings:
Optoelectronic equipment--Congresses.
Remote sensing--Equipment and supplies--Congresses.