TY - GEN AU - United Nations Environment Programme PY - 2017 UR - https://wedocs.unep.org/handle/20.500.11822/26758 LA - English KW - ozone KW - ozone-depleting substance KW - ozone layer KW - refrigeration KW - hydrofluorocarbon KW - hydrochlorofluorocarbon KW - Ozone TI - OzoNews VolXVII - 30 September 2017 M3 - Communication or other resource ER -