Observations of comets, from B.C. 611 to A.D. 1640. Extracted from the Chinese annals. Translated, with introductory remarks, and an appendix, . reckoning; and a Chinese celestial atlas
Observations of comets, from B.C. 611 to A.D. 1640. Extracted from the Chinese annals. Translated, with introductory remarks, and an appendix, . reckoning; and a Chinese celestial atlas 12+