@misc{Elkin_William_L._Determination_1886,
 author={Elkin, William L.},
 address={Cambridge},
 howpublished={online},
 year={1886},
 publisher={University Pres: John Wilson and Son},
 language={eng},
 title={Determination of the relative positions of the principal stars in the group of the Pleiades},
 keywords={star catalogue, Pleiades, principal stars},
}