@misc{Pocock_R._J._Astrographic_1924,
 author={Pocock, R. J. and Bhaskaran, T. P.},
 address={Edinburgh},
 howpublished={online},
 year={1924},
 publisher={Neill and CO.},
 language={eng},
 title={Astrographic Catalogue 1900.0. Hyderabad Section Dec. -16° to -21°. Vol. IV. Measures of rectangular co-ordinates and diameters of 79,590 star-images on plates with centres in dec. -20°},
 keywords={astrographic catalogue, stellar pphotometry, star declination -21°, Nizamiah observatory},
}