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