Hi Tomaso, You may be able to modify this to suit your purposes.
http://blog.oak-tree.us/index.php/2010/05/14/msword-lyx-import You obviously wouldn't need to mess about with the Word step, but the script might be useful for converting from ODF to LaTeX? There are links to the other tools as well so that you can automate the entire process. Cheers, Rob
