Columbia subject headings:
Hazardous substances--Transportation--Law and legislation--Europe.
Inland navigation.
Harvard subject headings:
Hazardous substances--Transportation--Law and legislation--Europe.
Hazardous substances--Transportation--Safety regulations--Europe.
Inland water transportation--Law and legislation--Europe.
Inland water transportation--Safety regulations--Europe.
Princeton subject headings:
Hazardous substances--Transportation--Law and legislation--Europe.
Hazardous substances--Transportation--Safety regulations--Europe.
Inland water transportation--Law and legislation--Europe.
Inland water transportation--Safety regulations--Europe.