Patil, S., H. N. N. Murthy, G. Srivatsa, V. Yandigeri, R. K., B. Meti, G. Angadi, and D. Harish. “Study of Vibration Behaviour of Stiffened Polymer Composite Shells for Underwater Structural Applications”. Defence Science Journal, Vol. 70, no. 3, Apr. 2020, pp. 342-50, doi:10.14429/dsj.70.14703.