Phu, P. K., Giang, T. N. and Minh, N. V. (2008) “KxNiy[Fe(CN)6].xH2O Prussian blue analogue: A study of size effect on the structural, optical and magnetic propertiecs”, Communications in Physics, 18(1), pp. 43–47. doi: 10.15625/0868-3166/18/1/10689.