@ARTICLE{_Preface_2013,
 number={No 149},
 journal={Studia KPZK},
 howpublished={online},
 year={2013},
 publisher={Polska Akademia Nauk Komitet Przestrzennego Zagospodarowania Kraju},
 title={Preface},
 URL={http://journals.pan.pl/Content/96937/PDF/Od%20Autora_Czochanski.pdf},
}