@Article{npg-15-81-2008, AUTHOR = {Rabier, F. and Gauthier, P. and Cardinali, C. and Langland, R. and Tsyrulnikov, M. and Lorenc, A. and Steinle, P. and Gelaro, R. and Koizumi, K.}, TITLE = {An update on THORPEX-related research in data assimilation and observing strategies}, JOURNAL = {Nonlinear Processes in Geophysics}, VOLUME = {15}, YEAR = {2008}, NUMBER = {1}, PAGES = {81--94}, URL = {http://www.nonlin-processes-geophys.net/15/81/2008/}, ISSN = {1023-5809} }