Singh, L. et al. 2010. Synthesis, Spectral and Thermal Studies of Some Dioxouranium(VI) Coordination Compounds of 4[N-(4-Hydroxy-3-Methoxybenzalidene) Amino] Antipyrine Semicarbazone and 4[N-(3,4,5-Trimethoxybenzalidene) Amino] Antipyrine Semicarbazone†. Asian Journal of Chemistry. 13, 4 (Mar. 2010), 1618–1624.