Extract from LaTeX – Das Praxisbuch (in german)
For German documentation, you can download an extract of "LaTeX – Das Praxisbuch" (2nd edition) by Elke and Michael Niedermair in pdf-format. This document has kindly been provided by Michael Niedermair, thanks!
The book has been published by Franzis Verlag, ISBN 3-7723-6434-9.
Some documentation is available at the OpenOffice.org wiki:
Writer2LaTeX: http://wiki.services.openoffice.org/wiki/Writer2Latex provides a user FAQ started by Jan Suhr. You are welcome to contribute!
German OpenOffice.org wiki
There's a german wiki available as well: http://www.ooowiki.de/Writer2LaTeX