@article{Belica:2007,
  author  = "T. Belica and K. Magnucki",
  title   = "Dynamic stability of a porous cylindrical shell subjected to impulse of forces combined",
  journal = "Journal of KONES - Powetrain and Transport",
  volume  = "Vol. 14",
  number  = "no 3",
  pages   = "39--48",
  year    = "2007",
}