Columbia subject headings:
Indonesia--Discovery and exploration.
Scientific expeditions.
Snellius (Ship)
Harvard subject headings:
Chemical oceanography--Indonesia--Observations.
Coral reefs and islands--Indonesia--Observations.
Indonesia--Discovery and exploration--Dutch.
Meteorology--Indonesia--Observations.
Oceanography--Indonesia--Observations.
Scientific expeditions--Indonesia.
Submarine geology--Indonesia--Observations.
Submarine geology--Observations.
Princeton subject headings: