@Article{acp-8-6341-2008,
AUTHOR = {Meirink, J. F. and Bergamaschi, P. and Krol, M. C.},
TITLE = {Four-dimensional variational data assimilation for inverse modelling of atmospheric methane emissions: method and comparison with synthesis inversion},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {8},
YEAR = {2008},
NUMBER = {21},
PAGES = {6341--6353},
URL = {http://www.atmos-chem-phys.net/8/6341/2008/},
DOI = {10.5194/acp-8-6341-2008}
}