Murthy, M., K. Babu, and P. Jebaraj. “Impact of Constraint Conditions and Cutouts on Natural Frequency of Glass Fiber Reinforced Plastic Composite”. International Journal of Engineering Materials and Manufacture, Vol. 3, no. 4, Dec. 2018, pp. 200-7, doi:10.26776/ijemm.03.04.2018.04.