Convert csv-file to Wordpress import file

Hi I need to move some articles / content from two Joomla sites to two Wordpress based sites instead. For this, I need the Joomla articles (which I have as .csv-files) to be converted into WP importable files. I can supply you with either the joomla table as mysql dump or as a csv-file, what ever you like best :) As I see it, you import the csv-files into a clean Wordpress and export them using the WP export function and then I can import the file in my Wordpress :)