Fa ding ji liang dan wei xuan guan shou ce - Du, Hecong.; Li, Shen'an.; Chen, Weixin. (Guo fang gong ye chu ban she : Xin hua shu dian Beijing fa xing suo fa xing, 1984)
Keywords: Metric system / Conversion tables. / http://id.loc.gov/authorities/subjects/sh85084443; Metric system. / http://id.loc.gov/authorities/subjects/sh85084442