Columbia subject headings:
Chemical oceanography--Atlantic Ocean.
Chemical oceanography--Indian Ocean.
Chemical oceanography--Pacific Ocean.
Oceanography--Charts, diagrams, etc.
Oceanography--Research--Atlantic Ocean.
Oceanography--Research--Indian Ocean.
Oceanography--Research--Pacific Ocean.
Harvard subject headings:
Oceanography--Charts, diagrams, etc.
Oceanography--Research
Princeton subject headings:
Oceanography--Charts, diagrams, etc.