Srivastava, R. S., S. P. Agrawal, and H. N. Bhargava. 2014. “Chemistry of Metal (Benzylidene) Picramate-Part III Benzylidene Picramates of Zinc Cadmium and Mercury”. Defence Science Journal 29 (2):91-96. https://doi.org/10.14429/dsj.29.6485.