| Publication Citation |
|---|
| Engel, A., et al. (2009), Age of stratospheric air unchanged within uncertainties over the past 30 years, Nat. Geosci., 2, 28, doi:10.1038/NGEO388. |
| Publication Citation |
|---|
| Engel, A., et al. (2009), Age of stratospheric air unchanged within uncertainties over the past 30 years, Nat. Geosci., 2, 28, doi:10.1038/NGEO388. |