Patil, S., Murthy, H.N.N., Srivatsa, G., Yandigeri, V., K., R., Meti, B., Angadi, G. and Harish, D. 2020. Study of Vibration Behaviour of Stiffened Polymer Composite Shells for Underwater Structural Applications. Defence Science Journal. 70, 3 (Apr. 2020), 342-350. DOI:https://doi.org/10.14429/dsj.70.14703.