Maurya, K.C., A.N. Thakur, and S.K. Yadav. 2011. “Electrical Transport Properties of Ce2(WO4)3, Dy2(WO4)3 and Ho2(WO4)3”. Asian Journal of Chemistry 23 (7):3089-92. https://asianpubs.org/index.php/ajchem/article/view/10609.