@article{Feldshtein:2003,
  author  = "E. Feldshtein",
  title   = "Some characteristics of the machinability of porous materials on the basis of iron",
  journal = "Advances in Manufacturing Science and Technology",
  volume  = "Vol. 27",
  number  = "no 4",
  pages   = "65--74",
  year    = "2003",
}