@misc{_Regen,,
 address={[s.l.]},
 howpublished={online},
 language={ger},
 title={Regen, Regen.},
 keywords={1900-1945, Silesia, mountain landscape, tourist trail, turism, journey, photography, German photography, amateurphotography, plein air photography, group portrait, clothing, albums, photographic print (black and white), memoirs},
}