@Article{acp-3-1791-2003,
AUTHOR = {Haag, W. and K\"archer, B. and Str\"om, J. and Minikin, A. and Lohmann, U. and Ovarlez, J. and Stohl, A.},
TITLE = {Freezing thresholds and cirrus cloud formation mechanisms inferred from in situ measurements of relative humidity},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {3},
YEAR = {2003},
NUMBER = {5},
PAGES = {1791--1806},
URL = {http://www.atmos-chem-phys.net/3/1791/2003/},
DOI = {10.5194/acp-3-1791-2003}
}