%A Sivin, Nathan %A 薮内, 清 %A 中山, 茂 %T Granting the Seasons : the Chinese astronomical reform of 1280, with a study of its many dimensions and a translation of its records %I Springer science+Business media %D 2009 %S Sources and studies in the history of mathematics and physical sciences %V %U https://ci.nii.ac.jp/ncid/BA88178215