Scientific journal publication Multiannual top-down estimate of HFC-23 emissions in East Asia. Fang, X.; Stohl, A.; Yokouchi, Y.; Kim, J.; Li, S.; Saito, T.; Park, S.; Hu, J. Publication details Journal: Environmental Science and Technology, 49, 4345–4353, 2015 DOI: 10.1021/es505669j