AgarwalP., BhandariN., Maya Saijwani, SinghA., and MisraU. “Protection of Service Tents Against Weathering Degradation : Urea Formaldehyde and Copper Chrome Treatments”. Defence Science Journal 15, no. 1 (May 16, 2014): 40-43. Accessed September 29, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7247.