TY  - RPRT
TI  - Observed decrease in atmospheric mercury explained by global decline in anthropogenic emissions
AU  - Yanxu Zhang
AU  - Daniel J. Jacob
AU  - Hannah M. Horowitz
AU  - Long Chen
AU  - Helen M. Amos
AU  - David P. Krabbenhoft
AU  - Franz Slemr
AU  - Vincent L. St. Louis
AU  - Elsie M. Sunderland
PY  - 2016
DO  - 10.1073/pnas.1516312113
UR  - https://pubs.usgs.gov/publication/70164522
ID  - 70164522
ER  -