@article{
  author = {Mirkhalaf Valashani, S.M},
  title = {Transverse Vibration of Clamped and Simply Supported Circular Plates with an Eccentric Circular Perforation and Attached Concentrated Mass},
  journal = {Journal of Solid Mechanics},
  year = {2009},
  volume = {1},
  number = {1},
  pages = {37-44},
  doi = {}
}