Columbia subject headings:
Dispersing agents--Environmental aspects.
Dispersing agents.
Oil pollution of the sea.
Oil spills--Environmental aspects.
Harvard subject headings:
Dispersing agents--Environmental aspects.
Dispersing agents.
Oil pollution of the sea.
Oil spills--Environmental aspects
Princeton subject headings:
Dispersing agents--Environmental aspects.
Dispersing agents.
Oil pollution of the sea.
Oil spills--Environmental aspects.