Landtag NRW: Ergebnisanzeige-1 https://www.landtag.nrw.de/home/service/bibliothek-1/ergebnisanzeige-1.html?page=1&order=HSTSORT&w=NATIVE%28%27TYPNR+%3D+%27%27ZEIT%27%27+and+%28SYST+%3D+%27%27UMW%27%27*+or+syst+%3D+%27%27JUR+kb%27%27+or+syst+%3D+%27%27JUR+kc%27%27+or+syst+%3D+%27%27JUR+ki%27%27+or+syst+%3D+%27%27JUR+kk%27%27+or+syst+%3D+%27%27JUR+kl%27%27+or+syst+%3D+%27%27JUR+km%27%27+or+syst+%3D+%27%27JUR+kn%27%27+or+syst+%3D+%27%27JUR+ko%27%27+or+syst+%3D+%27%27JUR+kp%27%27+or+syst+%3D+%27%27JUR+kq%27%27%29%27%29&ZARubrik=ZAUmwelt
NRW Natur, Heimat, Kultur. Das Magazin der Nordrhein-Westfalen-Stiftung.