@Article{acpd-5-8879-2005, AUTHOR = {Juckes, M. N.}, TITLE = {The direct inversion method for data assimilation using isentropic tracer advection}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {5}, YEAR = {2005}, NUMBER = {5}, PAGES = {8879--8923}, URL = {http://www.atmos-chem-phys-discuss.net/5/8879/2005/}, ISSN = {1680-7367} }