TY  - GEN
A4  - Curlin, James S.
PY  - 2020
UR  - https://wedocs.unep.org/handle/20.500.11822/33834
LA  - English
PB  - United Nations Environment Programme
KW  - ozone layer
KW  - ozone-depleting substance
KW  - hydrochlorofluorocarbon
KW  - energy efficiency
KW  - air-conditioning
KW  - refrigeration
TI  - 2020 World Ozone Day letter to National Ozone Officers
M3  - Legal/convention record
ER  -