@Article{npg-8-347-2001,
AUTHOR = {Hello, G. and Bouttier, F.},
TITLE = {Using adjoint sensitivity as a local structure function in variational data assimilation},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {8},
YEAR = {2001},
NUMBER = {6},
PAGES = {347--355},
URL = {http://www.nonlin-processes-geophys.net/8/347/2001/},
ISSN = {1023-5809}
}