M. Karami Khorramabadi and A. R. Nezamabadi, Vibration Analysis of Functionally Graded Engesser- Timoshenko Beams Subjected to Axial Load Located on a Continuous Elastic Foundation. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2014, vol. 94(10). 1723 - 1726 [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/9999602.