Cullen, Christopher. Astronomy and mathematics in ancient China the Zhou bi suan jing / [Book] : Christopher Cullen. - Cambridge ; New York : Cambridge University Press, 1996. - xiv, 241 p. : ill. ; 26 cm. - Needham Research Institute studies ; 1 . All. ISBN: 0521550890 (hc) Subjects--Topical Terms: Mathematics, Chinese.Astronomy, Chinese. Dewey Class. No.: 510 .931