Buyanova, E., Mikhailovskaya, Z., Emel’yanova, Y., Levina, A., Morozova, M., Petrova, S., et al. (2017). Production and characteristics of substituted lanthanum niobate LaNb1–xWxO4 + δ. Russian Journal of Inorganic Chemistry, 62(2), 211-217. doi:10.1134/S0036023617020048.