TY  - GEN
AU  - United Nations Environment Programme
PY  - 2017
UR  - https://wedocs.unep.org/handle/20.500.11822/26727
LA  - English
KW  - ozone
KW  - ozone-depleting substance
KW  - ozone layer
TI  - OzoNews VolXVII - 30 November 2017
M3  - Communication or other resource
ER  -