Columbia subject headings:
Acoustic imaging--Congresses.
Underwater acoustics--Congresses.
Underwater photography--Congresses.
Underwater television--Congresses.
Underwater vision--Congresses.
Harvard subject headings:
Princeton subject headings:
Acoustic imaging--Congresses.
Underwater acoustics--Congresses.
Underwater photography--Congresses.
Underwater television--Congresses.
Underwater vision--Congresses.