TY - GEN PB - His Majesty's Stationery Office CY - Edinburgh L2 - http://bibliotekacyfrowa.pl/Content/109491 PY - 1921 KW - astrographic catalogue KW - star declination +64° to +90° KW - photographic magnitudes KW - Greenwich observatory T1 - Astrographic Catalogue 1900.0 Greenwich Section Dec. +64° to +90°. T1 - Vol. IV. Proper motions and photographic magnitudes UR - http://bibliotekacyfrowa.pl/dlibra/publication/edition/109491 ER -