Ku ching t'ien hsiang k'ao
Series: Chü hsüeh hsüan ts'ung shu.  Ti 1 chi, 3; Chü hsüeh hsüan ts'ung shu -- 3
Publisher: Liu Shih-hêng
Published: 1903
Place of publication: Chiang-ning
Language: chi
Subjects: Astronomy -- Early works to 1800.; Astronomy, Chinese