Columbia subject headings:
Airplanes--Noise.
Noise control--Law and legislation--France.
Noise control--Law and legislation--Germany (West)
Traffic noise.
Harvard subject headings:
Airplanes--Noise--Law and legislation--France.
Noise control--Law and legislation--France.
Noise control--Law and legislation--Germany (West)
Traffic noise--Law and legislation--Germany (West)
Princeton subject headings: