@article{Engida_2012, title={Upwelling into the lower stratosphere forced by breaking tropical waves: evidence from chemical tracers}, url={http://dx.doi.org/10.5194/acpd-12-19571-2012}, DOI={10.5194/acpd-12-19571-2012}, publisher={Copernicus GmbH}, author={Engida, Z. and Folkins, I.}, year={2012}, month=aug }