@Article{acp-10-3131-2010,
AUTHOR = {Ceccherini, S. and Ridolfi, M.},
TITLE = {Technical Note: Variance-covariance matrix and averaging kernels for the Levenberg-Marquardt solution of the retrieval of atmospheric   vertical profiles},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {10},
YEAR = {2010},
NUMBER = {6},
PAGES = {3131--3139},
URL = {http://www.atmos-chem-phys.net/10/3131/2010/},
DOI = {10.5194/acp-10-3131-2010}
}