San t'ung shu hsiang shuo
Series: Kuang ya ts'ung shu.  Tsa chu.  Tung shu i shu; Kuang ya ts'ung shu; Tung shu i shu
Published: 1920
Place of publication: Canton
Language: chi
Number of pages: 34
Subjects: Astronomy, Chinese; Mathematics, Chinese; Calendar, Chinese