余宗寬

Overview

Works:	4 works in 3 publications in 1 languages

Titles

新編實用萬年歷 by: 李能耀; 余宗寬 (Electronic resources)

日月食及其計算概要 by: 唐漢良; 余宗寬 (Electronic resources)

日月食計算 by: 唐漢良; 余宗寬; 沈昌鈞 (Electronic resources)