title: Comment on "experimental observation of the 1/3 magnetization plateau in the diamond-chain compound Cu3(CO3)2(OH)2".
authors.affiliation: College of Physical Sciences Graduate University of Chinese Academy of Sciences Beijing 100049, China.
authors.forename: Bo
authors.initials: B
authors.lastname: Gu
authors.forename: Gang
authors.initials: G
authors.lastname: Su