Cao Junji, Cohen Armond, Hansen James, Lester Richard, Peterson Per, Xu Hongjie
Key Lab of Aerosol Chemistry and Physics, SKLLQG, Institute of Earth Environment, Xi'an 710061, China.
Clean Air Task Force, Boston, MA 02108, USA.
Science. 2016 Aug 5;353(6299):547-8. doi: 10.1126/science.aaf7131.