Citation: Lethbridge, Zoe A. D.; Clarkson, Guy J.; Turner, Scott S.; Walton, Richard I. (2009). Polymorphism and variable structural dimensionality in the iron(III) phosphate oxalate system: a new polymorph of 3D [Fe2(HPO4)2(C2O4)(H2O)2]·2H2O and the layered material [Fe2(HPO4)2(C2O4)(H2O)2]. Dalton Transactions, , pp. 9176-.