A. Sharma, V. Choudhary, and S. Sharma, “Magneto, Spectral and Thermal Studies on Co2+, Ni2+, Cu2+, Zn2+, Cd2+, UO22+ and VO2+ chelates of o-[N-α-pyridimino) phenol and o-(N-α-pyrrolidimino) phenol”., ajc, vol. 14, no. 1, pp. 437–440, Mar. 2010.