@Article{acpd-7-1725-2007,
AUTHOR = {Elbern, H. and Strunk, A. and Schmidt, H. and Talagrand, O.},
TITLE = {Emission rate and chemical state estimation by 4-dimensional variational inversion},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {7},
YEAR = {2007},
NUMBER = {1},
PAGES = {1725--1783},
URL = {http://www.atmos-chem-phys-discuss.net/7/1725/2007/},
DOI = {10.5194/acpd-7-1725-2007}
}