@article{Świadek:2015,
  author  = "A. Świadek",
  title   = "Supply chains for innovation activity in regional industrial systems in Poland - some evidence from empirical research",
  journal = "Ekonomia i Prawo",
  volume  = "Vol. 14",
  number  = "no. 1",
  pages   = "47--60",
  year    = "2015",
}