@article{Świadek:2010,
  author  = "A. Świadek",
  title   = "Spatial proximity for innovation activity in regional industrial systems in a transition country - some evidence from empirical research",
  journal = "Argumenta Oeconomica",
  volume  = "No 1 (24)",
  pages   = "165--190",
  year    = "2010",
  note    = "Wrocław University of Economics, Wrocław",
}