武经总要 (武經總要) wǔ jīng Zǒng yào

wǔ jīng Zǒng yào proper noun Wujing Zongyao; Collection of the Most Important Military Techniques
Domain: History 历史 , Subdomain: China , Concept: Book 书
Notes: c. 1044 authors were the prominent scholars Zeng Gongliang 曾公亮, Ding Du 丁度, and Yang Weide 楊惟德, described a wide range of military techniques and technologies and contained the first written formula for gunpowder