Prasad, N., A. Sahay, and N.P. Singh. 2010. “Studied on Complex Arylhydrazones, Part XI: Electron Impact Studied on Some Diethyl Mesoxalate Phenylhydrazones ”. Asian Journal of Chemistry 7 (4):722-30. https://asianpubs.org/index.php/ajchem/article/view/24407.