Srivastava, R. S., S. P. Agrawal, and H. N. Bhargava. “Chemistry of Metal (Benzylidene) Picramate-Part III Benzylidene Picramates of Zinc Cadmium and Mercury”. Defence Science Journal, vol. 29, no. 2, Feb. 2014, pp. 91-96, doi:10.14429/dsj.29.6485.