TY - GEN AU - United Nations Environment Programme/Mediterranean Action Plan PY - 1991 UR - https://wedocs.unep.org/handle/20.500.11822/437 PB - UNEP/MAP TI - Assessment of the state of pollution of the Mediterranean Sea by persistent synthetic materials which may float, sink or remain in suspension T2 - Evaluation de l'état de la pollution de la mer Méditerranée par les matières synthétiques persistantes qui peuvent flotter, couler ou rester en suspension ER -