@Article{npg-10-477-2003,
AUTHOR = {Zang, X. and Malanotte-Rizzoli, P.},
TITLE = {A comparison of assimilation results from the ensemble Kalman Filter and a reduced-rank extended Kalman Filter},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {10},
YEAR = {2003},
NUMBER = {6},
PAGES = {477--491},
URL = {http://www.nonlin-processes-geophys.net/10/477/2003/},
DOI = {10.5194/npg-10-477-2003}
}