Yadav, P. N., L. Bhattrai, and P. K. Mehta. “Palladium(II) Complex of the 5-Hydroxypyridine-2-Carbaldehyde N(4)-Ethylthiosemicarbazone: Synthesis and Characterization”. Journal of Nepal Chemical Society, vol. 28, May 2013, pp. 34-41, doi:10.3126/jncs.v28i0.8040.