Tyagi, Hemant, D.S. Tyagi, Pankaj Tyagi, and Parul Tyagi. 2010. “Synthesis and Characterization of N-Phenyl Citraconimide Homopolymers”. Asian Journal of Chemistry 23 (1):123-26. https://asianpubs.org/index.php/ajchem/article/view/10046.