Chakraborti, I. 2010. Synthesis, Magneto-Spectral and Thermal Studies of Cobalt(II) Complexes of 4-[N-(Benzalidene)amino]antipyrine thiosemicarbazone and 4-[N-(2´ -Hydroxybenzalidene)amino] antipyrine thiosemicarbazone . Asian Journal of Chemistry. 15, 3 (Mar. 2010), 1795–1802.