@TechReport{CEPII:2015-11,
author={José de Sousa and Laura Hering and Sandra Poncet},
title={Has trade openness reduced pollution in China?},
year=2015,
month=July,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=8101},
number={2015-11},
}