@misc{Dyson_Frank_Watson_Astrographic_1932,
 author={Dyson, Frank Watson},
 address={Edinburgh},
 howpublished={online},
 year={1932},
 publisher={His Majesty's Stationery Office},
 language={eng},
 title={Astrographic Catalogue 1900.0},
 title={Vol. VI. Proper motions of stars from Dec. +72° to +90°},
 keywords={astrographic catalogue, proper motions of stars, star declination +72° to +90°, Greenwich observatory},
}