@Article{acp-8-2643-2008,
AUTHOR = {Ryoo, J.-M. and Waugh, D. W. and Gettelman, A.},
TITLE = {Variability of subtropical upper tropospheric humidity},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {8},
YEAR = {2008},
NUMBER = {10},
PAGES = {2643--2655},
URL = {http://www.atmos-chem-phys.net/8/2643/2008/},
DOI = {10.5194/acp-8-2643-2008}
}