Citation: Long, Changbai; Fan, Huiqing (2012). Effect of lanthanum substitution at A site on structure and enhanced properties of new Aurivillius oxide K(0.25)Na(0.25)La(0.5)Bi(2)Nb(2)O(9).. Dalton transactions (Cambridge, England : 2003), 41, pp. 11046-11054.