title: Erratum: Poly[aqua-(μ(2)-oxalato)(4-oxidopyri-din-ium)erbium(II)]. Corrigendum.
abstract: The chemical name in the title, the formula and the scheme of the paper by Gu, Hao, Song, Lin & Ma [Acta Cryst. (2008), E64, m649-m650] are corrected.[This corrects the article DOI: 10.1107/S1600536808009380.].
authors.forename: Chang-Sheng
authors.initials: CS
authors.lastname: Gu
authors.forename: Xiao-Min
authors.initials: XM
authors.lastname: Hao
authors.forename: Wen-Dong
authors.initials: WD
authors.lastname: Song
authors.forename: Hai-Sheng
authors.initials: HS
authors.lastname: Lin
authors.forename: De-Yun
authors.initials: DY
authors.lastname: Ma