@article{Kowal:2013,
  author  = "E. Kowal and G. Dudarski and C. Częstochowski",
  title   = "Analysis of noise emission in wood bucking",
  journal = "Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology",
  number  = "No. 83",
  pages   = "78--81",
  year    = "2013",
}