Columbia subject headings:
Container ports--Security measures--California.
Container ports--Security measures--United States.
Harbors--Security measures--California.
Harbors--Security measures--United States.
Marine terminals--Security measures--California.
Marine terminals--Security measures--United States.
Harvard subject headings:
Container terminals--Security measures--California.
Container terminals--Security measures--United States.
Harbors--Security measures--California.
Harbors--Security measures--United States
Marine terminals--Security measures--California.
Marine terminals--Security measures--United States.
Princeton subject headings:
Container terminals--Security measures--California.
Container terminals--Security measures--United States.
Harbors--Security measures--California.
Harbors--Security measures--United States.
Marine terminals--Security measures--California.
Marine terminals--Security measures--United States.