Chauhan, R. S., A. Singh, A. R. Shrivastava, L. Singh, and S. C. Pant. “Photo-Induced Structural Changes in Polyolefin-Nanoclay Composite”. Defence Science Journal, vol. 58, no. 6, Nov. 2008, pp. 778-84, doi:10.14429/dsj.58.1707.