Origin and controversy of the term “软玉(RuanYusoft jade)” and a proposal to remove the word “软(Ruansoft)” from “RuanYu”
SHI Guanghai,ZHANG Xiaochong,XU Lin,LI Xinling
Earth Science Frontiers . 2019, (3): 163 -170 .  DOI: 10.13745/j.esf.sf.2019.5.25