Qin Jiushao (Chinese Mathematician) Britannica Online Encyclopedia Qin Jiushao, WadeGiles Ch’in Chiu-Shao (b. c. 1202, Puzhou modern Anyue, Sichuan province, China—d. c. 1261, Meizhou modern Meixian, Guangdong province), Chinese http://www.britannica.com/EBchecked/topic/111675/Qin-Jiushao
Elsevier The page you are looking for might have been (re)moved or is currently unavailable. Suggestions Please review your URL in the Address bar, or; Click the Refresh button in your local http://www1.elsevier.com/homepage/sac/cam/mcnamee/2002/bibliog4.html
The HPM Tongxun And The Tongxun Group In Taiwan Heron's Formula (56 pages) Guest Editor's Foreword; by Jimhong Su 7 Heron's life, Metrica and the Original Proof of Heron's Formula; by Cheng-te Hu 8 An Introduction to Ch'in Chiu-shao http://www.clab.edc.uoc.gr/hpm/HPM TongxunReport.pdf