Gutch, P., P. Kumar, M. Suryanarayana, and R. Malhotra. “Structure-Biological Activity Relationship of Analogues of 2-Chlorobenzylidenemalononitrile -A Riot-Control Agent”. Defence Science Journal, Vol. 55, no. 4, Oct. 2005, pp. 447-5, doi:10.14429/dsj.55.2006.