@article{muller1980,
  author  = {Muller, Ming and Roy, Nurul},
  title   = {Matrix Structural Analysis for Vibration of Rotating Shafts},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1980},
  volume  = {4},
  number  = {2},
  pages   = {843-849},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1980.0402.046},
  url     = {https://journal.bsaps.com/article/5763}
}