title: Molecular ladders with multiple interpenetration of the lateral arms into the squares of adjacent ladders observed for [M2(4,4'-bpy)3(H2O)2(phba)2] (NO3)(2).4H2O (M = Cu2+ or Co2+; 4,4'-bpy = 4,4'-bipyridine; phba = 4-hydroxybenzoate).
authors.affiliation: School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou 510275, P. R. China.
authors.forename: M L
authors.initials: ML
authors.lastname: Tong
authors.forename: H J
authors.initials: HJ
authors.lastname: Chen
authors.forename: X M
authors.initials: XM
authors.lastname: Chen