Gu, Zhiguo, et al. “Syntheses, Characterization and Fluorescent Properties of Lanthanide-Containing Ionic Liquids [Cnmim][Ln(NO3)4]”. Acta Chimica Sinica, vol. 70, no. 24, 2012, p. 2501, https://doi.org/10.6023/a12090695.
Gu, Z., Wang, B., Pang, C., Zhou, W., & Li, Z. (2012). Syntheses, Characterization and Fluorescent Properties of Lanthanide-Containing Ionic Liquids [Cnmim][Ln(NO3)4]. Acta Chimica Sinica, 70(24), 2501. https://doi.org/10.6023/a12090695
Gu Z, Wang B, Pang C, Zhou W, Li Z. Syntheses, Characterization and Fluorescent Properties of Lanthanide-Containing Ionic Liquids [Cnmim][Ln(NO3)4]. Acta Chimica Sinica. 2012;70(24):2501.