@misc{Argelander_Fredr._Guil._Aug._DLX_1835,
 author={Argelander, Fredr. Guil. Aug.},
 address={HelsingforsiÆ},
 howpublished={online},
 year={1835},
 publisher={J. C. Frenckell et Filius},
 language={lat},
 title={DLX stellarum fixarum positiones mediae ineunte anno 1830},
 keywords={star catalogue, fixed stars, the equinox 1830.},
}