TY  - GEN
AU  - United Nations Environment Programme
PY  - 2017
UR  - https://wedocs.unep.org/handle/20.500.11822/14785
LA  - English
KW  - mining industry
TI  - Hg Toolkit Example data request letter annex mining-smelters industry January 2017
M3  - Communication or other resource
ER  -