@misc{Dyson_Frank_Watson_Astrographic_1914, author={Dyson, Frank Watson}, address={Edinburgh}, howpublished={online}, year={1914}, publisher={Neill and CO.}, language={eng}, title={Astrographic Catalogue 1900.0 Greenwich Section Dec. +64° to +90°.}, title={Vol. III. Right ascensions, declinations, and photographic magnitudes of stars Dec. +64° to +90°}, keywords={astrographic catalogue, star declination +64° to +90°, right ascensions of stars, photographic magnitudes, Greenwich observatory}, }