@misc{Zenneck_Jonathan_(1871-1959)_Uber,
 author={Zenneck, Jonathan (1871-1959)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={S. Hirzel},
 language={ger},
 type={article},
 title={Uber einen lichtstarken Spektrographen},
 keywords={physics, spectroscopy},
}