@misc{Bieber_E._[Ludendorff,
 author={Bieber, E.},
 howpublished={online},
 language={ger},
 title={[Ludendorff Erich von]},
 keywords={portrait, man, bust, photography, photogravure, general, 19 - 20 w., 19. - 20 Jh., 19 - 20 century, Ludendorff Erich von (1865-....), Bruckmann F.},
}