@misc{Jones_H._Spencer_Catalogue_1939,
 author={Jones, H. Spencer and Jackson, J.},
 address={London},
 howpublished={online},
 year={1939},
 publisher={His Majesty's Stationery Office},
 language={eng},
 title={Catalogue of 20, 554 faint stars in the Cape Astrographic Zone -40° to -52° for the equinox of 1900.0},
 keywords={star catalogue, faint stars, astrographic zone -40° to -52°, the equinox 1900.0},
}