@article{Maciejko:2019,
  author  = "A. Maciejko and B. Wojtyszyn",
  title   = "Tourism Infrastructure Providing Access to Areas of Protected Landscape and Nature in Poland. Selected Examples",
  journal = "IOP Conference Series : Materials Science and Engineering",
  volume  = "Vol. 603",
  pages   = "1--11",
  year    = "2019",
}