This is BibTeX, Version 0.99cThe top-level auxiliary file: D:\Platte-D\RoboBook2004\omniwheel\omniwheel2.aux I found no \bibdata command---while reading file D:\Platte-D\RoboBook2004\omniwheel\omniwheel2.aux I found no \bibstyle command---while reading file D:\Platte-D\RoboBook2004\omniwheel\omniwheel2.aux (There were 2 error messages)