Buragohain, M., and R. Velmurugan. “Buckling Analysis of Composite Hexagonal Lattice Cylindrical Shell Using Smeared Stiffener Model”. Defence Science Journal 59, no. 3 (May 1, 2009): 230-238. Accessed December 4, 2021. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1516.