TY - GEN AU - United Nations Environment Programme PY - 1989 UR - https://wedocs.unep.org/handle/20.500.11822/28656 LA - English KW - ozone layer KW - environmental information KW - chlorofluorocarbon KW - ozone-depleting substance TI - Economic Panel Report: Montreal Protocol on Substances that Deplete the Ozone Layer M3 - Communication or other resource ER -