@misc{Schroeter_J._Fr._Untersuchung_1903,
 author={Schroeter, J. Fr.},
 address={Christiania},
 howpublished={online},
 year={1903},
 publisher={W. C. Fabritius and Sønner},
 language={ger},
 title={Untersuchung ueber die Eigenbewegung von Sternen in der Zone 65° - 70° Nördlicher Declination},
 keywords={star catalogue, the northern hemisphere stars, zone 65° to 70°, the epoch 1875.0},
}