T1 Guidelines for treatment of effluents prior to discharge into the Mediterranean Sea A1 United Nations Environment Programme/Mediterranean Action Plan, PB UNEP/MAP SN 9280716182 YR 1996 FD 1996 LK https://wedocs.unep.org/handle/20.500.11822/550 UL https://wedocs.unep.org/handle/20.500.11822/550 DS UN Environment Document Repository RD Sep 19, 2026