P. Garg, I. Chakraborthi, and A. K. Manglik, “Some Penta-Coordinated Complexes of Oxovanadium(IV) with 4[N-(3,4,5-Trimethoxy Benzylidene) Amino] Antipyrine”, ajc, vol. 8, no. 1, pp. 169–172, Jul. 2012.