@misc{Seligo_Arthur_Untersuchungen,
 author={Seligo, Arthur},
 howpublished={online},
 publisher={Wilhelm Engelmann},
 language={ger},
 title={Untersuchungen in den Stuhmer Seeen},
 type={książka},
 keywords={plankton, Jezioro Barlewickie - flora i fauna, Jezioro Sztumskie - flora i fauna},
}